lib: Correct null pointer check

In order to prevent a possible null pointer dereference, return early if
either one of 'in' or 'data' is null.

Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Jacob Garber 2019-08-09 17:14:00 -06:00 committed by Anup Patel
parent 5e4021a2f5
commit 6c24193293

View file

@ -66,7 +66,7 @@ static int sbi_tlb_fifo_update_cb(void *in, void *data)
struct sbi_tlb_info *next;
int ret = SBI_FIFO_UNCHANGED;
if (!in && !!data)
if (!in || !data)
return ret;
curr = (struct sbi_tlb_info *)data;