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Staging: rtl8187se/rtl8192e/rtl8192su: allow module unload 

On rtl81* additions, they had its wireless stack made builtin instead of
separated modules. But try_module_get/module_put in stack were kept,
they are uneeded with the stack builtin and makes rtl81* modules
impossible to remove on a system with an rtl81* card. request_module
calls are also uneeded with stack builtin, so remove them too.

Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Herton Ronaldo Krzesinski 2009-10-02 11:03:38 -03:00 committed by Greg Kroah-Hartman
parent 557c0288b5
commit a010a33752
12 changed files with 37 additions and 96 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c
View File

@ -53,10 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee,
list_del(ptr);
if (entry->ops) {
if (entry->ops)
entry->ops->deinit(entry->priv);
module_put(entry->ops->owner);
}
kfree(entry);
}
}

4
drivers/staging/rtl8187se/ieee80211/ieee80211_module.c
View File

@ -189,10 +189,8 @@ void free_ieee80211(struct net_device *dev)
for (i = 0; i < WEP_KEYS; i++) {
struct ieee80211_crypt_data *crypt = ieee->crypt[i];
if (crypt) {
if (crypt->ops) {
if (crypt->ops)
crypt->ops->deinit(crypt->priv);
module_put(crypt->ops->owner);
}
kfree(crypt);
ieee->crypt[i] = NULL;
}

12
drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
View File

@ -2839,16 +2839,12 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
goto skip_host_crypt;
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
request_module("ieee80211_crypt_wep");
if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0)
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
} else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
request_module("ieee80211_crypt_tkip");
else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0)
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
} else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
request_module("ieee80211_crypt_ccmp");
else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0)
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
}
if (ops == NULL) {
printk("unknown crypto alg '%s'\n", param->u.crypt.alg);
param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG;
@ -2869,7 +2865,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
}
memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
if (new_crypt->ops)
new_crypt->priv =
new_crypt->ops->init(param->u.crypt.idx);

17
drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
View File

@ -331,12 +331,10 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
return -ENOMEM;
memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
new_crypt->ops = ieee80211_get_crypto_ops("WEP");
if (!new_crypt->ops) {
request_module("ieee80211_crypt_wep");
if (!new_crypt->ops)
new_crypt->ops = ieee80211_get_crypto_ops("WEP");
}
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
if (new_crypt->ops)
new_crypt->priv = new_crypt->ops->init(key);
if (!new_crypt->ops || !new_crypt->priv) {
@ -483,7 +481,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int i, idx, ret = 0;
int group_key = 0;
const char *alg, *module;
const char *alg;
struct ieee80211_crypto_ops *ops;
struct ieee80211_crypt_data **crypt;
@ -539,15 +537,12 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
switch (ext->alg) {
case IW_ENCODE_ALG_WEP:
alg = "WEP";
module = "ieee80211_crypt_wep";
break;
case IW_ENCODE_ALG_TKIP:
alg = "TKIP";
module = "ieee80211_crypt_tkip";
break;
case IW_ENCODE_ALG_CCMP:
alg = "CCMP";
module = "ieee80211_crypt_ccmp";
break;
default:
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
@ -558,10 +553,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
// printk("8-09-08-9=====>%s, alg name:%s\n",__func__, alg);
ops = ieee80211_get_crypto_ops(alg);
if (ops == NULL) {
request_module(module);
if (ops == NULL)
ops = ieee80211_get_crypto_ops(alg);
}
if (ops == NULL) {
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
dev->name, ext->alg);
@ -581,7 +574,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
goto done;
}
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
if (new_crypt->ops)
new_crypt->priv = new_crypt->ops->init(idx);
if (new_crypt->priv == NULL) {
kfree(new_crypt);

8
drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c
View File

@ -53,14 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee,
list_del(ptr);
if (entry->ops) {
if (entry->ops)
entry->ops->deinit(entry->priv);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
module_put(entry->ops->owner);
#else
__MOD_DEC_USE_COUNT(entry->ops->owner);
#endif
}
kfree(entry);
}
}

8
drivers/staging/rtl8192e/ieee80211/ieee80211_module.c
View File

@ -242,14 +242,8 @@ void free_ieee80211(struct net_device *dev)
for (i = 0; i < WEP_KEYS; i++) {
struct ieee80211_crypt_data *crypt = ieee->crypt[i];
if (crypt) {
if (crypt->ops) {
if (crypt->ops)
crypt->ops->deinit(crypt->priv);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
module_put(crypt->ops->owner);
#else
__MOD_DEC_USE_COUNT(crypt->ops->owner);
#endif
}
kfree(crypt);
ieee->crypt[i] = NULL;
}

19
drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
View File

@ -3284,17 +3284,14 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
goto skip_host_crypt;
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
request_module("ieee80211_crypt_wep");
if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0)
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
//set WEP40 first, it will be modified according to WEP104 or WEP40 at other place
} else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
request_module("ieee80211_crypt_tkip");
/* set WEP40 first, it will be modified according to WEP104 or
* WEP40 at other place */
else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0)
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
} else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
request_module("ieee80211_crypt_ccmp");
else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0)
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
}
if (ops == NULL) {
printk("unknown crypto alg '%s'\n", param->u.crypt.alg);
param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG;
@ -3315,11 +3312,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
}
memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
new_crypt->ops = ops;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
#else
if (new_crypt->ops && try_inc_mod_count(new_crypt->ops->owner))
#endif
if (new_crypt->ops)
new_crypt->priv =
new_crypt->ops->init(param->u.crypt.idx);

21
drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
View File

@ -482,15 +482,9 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
return -ENOMEM;
memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
new_crypt->ops = ieee80211_get_crypto_ops("WEP");
if (!new_crypt->ops) {
request_module("ieee80211_crypt_wep");
if (!new_crypt->ops)
new_crypt->ops = ieee80211_get_crypto_ops("WEP");
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
#else
if (new_crypt->ops && try_inc_mod_count(new_crypt->ops->owner))
#endif
if (new_crypt->ops)
new_crypt->priv = new_crypt->ops->init(key);
if (!new_crypt->ops || !new_crypt->priv) {
@ -644,7 +638,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int i, idx;
int group_key = 0;
const char *alg, *module;
const char *alg;
struct ieee80211_crypto_ops *ops;
struct ieee80211_crypt_data **crypt;
@ -711,15 +705,12 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
switch (ext->alg) {
case IW_ENCODE_ALG_WEP:
alg = "WEP";
module = "ieee80211_crypt_wep";
break;
case IW_ENCODE_ALG_TKIP:
alg = "TKIP";
module = "ieee80211_crypt_tkip";
break;
case IW_ENCODE_ALG_CCMP:
alg = "CCMP";
module = "ieee80211_crypt_ccmp";
break;
default:
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
@ -730,10 +721,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
printk("alg name:%s\n",alg);
ops = ieee80211_get_crypto_ops(alg);
if (ops == NULL) {
request_module(module);
if (ops == NULL)
ops = ieee80211_get_crypto_ops(alg);
}
if (ops == NULL) {
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
dev->name, ext->alg);
@ -758,7 +747,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
goto done;
}
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
if (new_crypt->ops)
new_crypt->priv = new_crypt->ops->init(idx);
if (new_crypt->priv == NULL) {
kfree(new_crypt);

4
drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
View File

@ -53,10 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee,
list_del(ptr);
if (entry->ops) {
if (entry->ops)
entry->ops->deinit(entry->priv);
module_put(entry->ops->owner);
}
kfree(entry);
}
}

4
drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
View File

@ -216,10 +216,8 @@ void free_ieee80211(struct net_device *dev)
for (i = 0; i < WEP_KEYS; i++) {
struct ieee80211_crypt_data *crypt = ieee->crypt[i];
if (crypt) {
if (crypt->ops) {
if (crypt->ops)
crypt->ops->deinit(crypt->priv);
module_put(crypt->ops->owner);
}
kfree(crypt);
ieee->crypt[i] = NULL;
}

15
drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
View File

@ -3026,17 +3026,14 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
goto skip_host_crypt;
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
request_module("ieee80211_crypt_wep");
if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0)
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
//set WEP40 first, it will be modified according to WEP104 or WEP40 at other place
} else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
request_module("ieee80211_crypt_tkip");
/* set WEP40 first, it will be modified according to WEP104 or
* WEP40 at other place */
else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0)
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
} else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
request_module("ieee80211_crypt_ccmp");
else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0)
ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
}
if (ops == NULL) {
printk("unknown crypto alg '%s'\n", param->u.crypt.alg);
param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG;
@ -3058,7 +3055,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
if (new_crypt->ops)
new_crypt->priv =
new_crypt->ops->init(param->u.crypt.idx);

17
drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
View File

@ -358,11 +358,9 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
return -ENOMEM;
memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
new_crypt->ops = ieee80211_get_crypto_ops("WEP");
if (!new_crypt->ops) {
request_module("ieee80211_crypt_wep");
if (!new_crypt->ops)
new_crypt->ops = ieee80211_get_crypto_ops("WEP");
}
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
if (new_crypt->ops)
new_crypt->priv = new_crypt->ops->init(key);
if (!new_crypt->ops || !new_crypt->priv) {
@ -507,7 +505,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int i, idx;
int group_key = 0;
const char *alg, *module;
const char *alg;
struct ieee80211_crypto_ops *ops;
struct ieee80211_crypt_data **crypt;
@ -570,15 +568,12 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
switch (ext->alg) {
case IW_ENCODE_ALG_WEP:
alg = "WEP";
module = "ieee80211_crypt_wep";
break;
case IW_ENCODE_ALG_TKIP:
alg = "TKIP";
module = "ieee80211_crypt_tkip";
break;
case IW_ENCODE_ALG_CCMP:
alg = "CCMP";
module = "ieee80211_crypt_ccmp";
break;
default:
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
@ -589,10 +584,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
printk("alg name:%s\n",alg);
ops = ieee80211_get_crypto_ops(alg);
if (ops == NULL) {
request_module("%s", module);
if (ops == NULL)
ops = ieee80211_get_crypto_ops(alg);
}
if (ops == NULL) {
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
dev->name, ext->alg);
@ -612,7 +605,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
goto done;
}
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
if (new_crypt->ops)
new_crypt->priv = new_crypt->ops->init(idx);
if (new_crypt->priv == NULL) {
kfree(new_crypt);