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[media] s5k5baf: Fix potential NULL pointer dereferencing

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Dereference 'fw' after the NULL check.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Sachin Kamat 2013-12-24 08:42:05 -03:00 committed by Mauro Carvalho Chehab
parent 7296e158b5
commit c0ee62734e
1 changed files with 3 additions and 1 deletions
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4
drivers/media/i2c/s5k5baf.c
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@ -548,12 +548,14 @@ static void s5k5baf_synchronize(struct s5k5baf *state, int timeout, u16 addr)
static u16 *s5k5baf_fw_get_seq(struct s5k5baf *state, u16 seq_id)
{
struct s5k5baf_fw *fw = state->fw;
u16 *data = fw->data + 2 * fw->count;
u16 *data;
int i;
if (fw == NULL)
return NULL;
data = fw->data + 2 * fw->count;
for (i = 0; i < fw->count; ++i) {
if (fw->seq[i].id == seq_id)
return data + fw->seq[i].offset;