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authorJacob Garber <jgarber1@ualberta.ca>2019-08-09 17:14:00 -0600
committerAnup Patel <anup.patel@wdc.com>2019-08-12 09:27:47 +0530
commit6c24193293e7cc0854994d7551f32e31ebc06ff6 (patch)
tree8b1be96555799f446d346a380d4a4a74d977d636 /lib/sbi/sbi_tlb.c
parent5e4021a2f5ca346d1c12b80d346c1a2e7eb4b501 (diff)
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>
Diffstat (limited to 'lib/sbi/sbi_tlb.c')
-rw-r--r--lib/sbi/sbi_tlb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sbi/sbi_tlb.c b/lib/sbi/sbi_tlb.c
index cffda52..104c066 100644
--- a/lib/sbi/sbi_tlb.c
+++ b/lib/sbi/sbi_tlb.c
@@ -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;