From: Leo Kim <leo.kim@xxxxxxxxx>
This patch fixes the error reported by smatch.
- Handle_ListenStateExpired() error: potential null dereference 'wid.val'
If kmalloc failed, referenced to a NULL pointer.
Signed-off-by: Leo Kim <leo.kim@xxxxxxxxx>
Signed-off-by: Glen Lee <glen.lee@xxxxxxxxx>
---
drivers/staging/wilc1000/host_interface.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index aae5a03..da4f4c6 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -2629,8 +2629,10 @@ static u32 Handle_ListenStateExpired(struct host_if_drv *hif_drv,
wid.size = 2;
wid.val = kmalloc(wid.size, GFP_KERNEL);
- if (!wid.val)
+ if (!wid.val) {
PRINT_ER("Failed to allocate memory\n");
+ return -ENOMEM;
+ }
wid.val[0] = u8remain_on_chan_flag;
wid.val[1] = FALSE_FRMWR_CHANNEL;
--
1.9.1
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