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Subject: media: pci: cx18: if cx == NULL, then don't use it.
Author: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Date: Fri Oct 13 09:43:55 2023 +0200
If the cx NULL pointer check is true, then it reports
an error with CX18_ERR, but that uses cx. Replace it with
pr_err.
Reported by smatch:
drivers/media/pci/cx18/cx18-mailbox.c:834 cx18_vapi() error: we previously
assumed 'cx' could be null (see line 833)
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/pci/cx18/cx18-mailbox.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/drivers/media/pci/cx18/cx18-mailbox.c
b/drivers/media/pci/cx18/cx18-mailbox.c
index 3b283f3c6726..a6457c23d18c 100644
--- a/drivers/media/pci/cx18/cx18-mailbox.c
+++ b/drivers/media/pci/cx18/cx18-mailbox.c
@@ -831,7 +831,7 @@ int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...)
int i;
if (cx == NULL) {
- CX18_ERR("cx == NULL (cmd=%x)\n", cmd);
+ pr_err("cx == NULL (cmd=%x)\n", cmd);
return 0;
}
if (args > MAX_MB_ARGUMENTS) {
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