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staging: csr: replace calls to kmalloc and memset with kzalloc 

the kzalloc does allocates memory and sets the data at the memory
which is allocated to 0,

The driver does uses the kmalloc and memset at some points in the code
replace them with a single call to kzalloc

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Acked-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Devendra Naga 2012-09-05 00:56:44 +05:30 committed by Greg Kroah-Hartman
parent 6f6ed3db33
commit 7cd4e8c577
1 changed files with 3 additions and 7 deletions
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10
drivers/staging/csr/sme_sys.c
View File

@ -2813,12 +2813,11 @@ u8 blockack_session_start(unifi_priv_t *priv,
}
/* create and populate the new BA session structure */
ba_session_tx = kmalloc(sizeof(ba_session_tx_struct), GFP_KERNEL);
ba_session_tx = kzalloc(sizeof(ba_session_tx_struct), GFP_KERNEL);
if (!ba_session_tx) {
unifi_error(priv, "%s: kmalloc failed for ba_session_tx\n", __FUNCTION__);
return FALSE;
}
memset(ba_session_tx, 0, sizeof(ba_session_tx_struct));
ba_session_tx->interfacePriv = interfacePriv;
ba_session_tx->tID = tID;
@ -2903,26 +2902,23 @@ u8 blockack_session_start(unifi_priv_t *priv,
return FALSE;
}
ba_session_rx = kmalloc(sizeof(ba_session_rx_struct), GFP_KERNEL);
ba_session_rx = kzalloc(sizeof(ba_session_rx_struct), GFP_KERNEL);
if (!ba_session_rx) {
unifi_error(priv, "%s: kmalloc failed for ba_session_rx\n", __FUNCTION__);
return FALSE;
}
memset(ba_session_rx, 0, sizeof(ba_session_rx_struct));
ba_session_rx->wind_size = wind_size;
ba_session_rx->start_sn = ba_session_rx->expected_sn = start_sn;
ba_session_rx->trigger_ba_after_ssn = FALSE;
ba_session_rx->buffer = kmalloc(ba_session_rx->wind_size*sizeof(frame_desc_struct), GFP_KERNEL);
ba_session_rx->buffer = kzalloc(ba_session_rx->wind_size*sizeof(frame_desc_struct), GFP_KERNEL);
if (!ba_session_rx->buffer) {
kfree(ba_session_rx);
unifi_error(priv, "%s: kmalloc failed for buffer\n", __FUNCTION__);
return FALSE;
}
memset(ba_session_rx->buffer, 0, ba_session_rx->wind_size*sizeof(frame_desc_struct));
INIT_WORK(&ba_session_rx->send_ba_err_task, uf_send_ba_err_wq);
if (timeout) {
ba_session_rx->timeout = timeout;