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staging: dgap: remove bogus null test in dgap_tty_init() 

- The channels array were set to NULL in dgap_found_board().
- Removes redundant null check for channels array in for loop,
if one of the channel cannot be allocated, dgap_tty_init() just returns
an error.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daeseok Youn 2014-06-02 14:06:53 +09:00 committed by Greg Kroah-Hartman
parent f86c55c965
commit e74c2ddcbb
1 changed files with 4 additions and 9 deletions
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13
drivers/staging/dgap/dgap.c
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@ -1379,12 +1379,10 @@ static int dgap_tty_init(struct board_t *brd)
* when the driver was first loaded.
*/
for (i = 0; i < brd->nasync; i++) {
if (!brd->channels[i]) {
brd->channels[i] =
kzalloc(sizeof(struct channel_t), GFP_KERNEL);
if (!brd->channels[i])
return -ENOMEM;
}
brd->channels[i] =
kzalloc(sizeof(struct channel_t), GFP_KERNEL);
if (!brd->channels[i])
return -ENOMEM;
}
ch = brd->channels[0];
@ -1398,9 +1396,6 @@ static int dgap_tty_init(struct board_t *brd)
/* Set up channel variables */
for (i = 0; i < brd->nasync; i++, ch = brd->channels[i], bs++) {
if (!brd->channels[i])
continue;
spin_lock_init(&ch->ch_lock);
/* Store all our magic numbers */