[PATCH v2] media: pvrusb2: fix parsing error

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pvr2_std_str_to_id() returns 0 on failure and 1 on success,
however the caller is checking failure case using <0

Co-developed-by: Hans Verkuil<hverkuil@xxxxxxxxx>
Signed-off-by: Tong Zhang <ztong0001@xxxxxxxxx>
---

v2: return -EINVAL as suggested by Hans Verkuil<hverkuil@xxxxxxxxx>.
I also rebased the code on v5.9-rc1.

 drivers/media/usb/pvrusb2/pvrusb2-hdw.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
index 1cfb7cf64131..6a444cb27e31 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
@@ -866,8 +866,8 @@ static int ctrl_std_sym_to_val(struct pvr2_ctrl *cptr,
 {
 	int ret;
 	v4l2_std_id id;
-	ret = pvr2_std_str_to_id(&id,bufPtr,bufSize);
-	if (ret < 0) return ret;
+	if (!pvr2_std_str_to_id(&id, bufPtr, bufSize))
+		return -EINVAL;
 	if (mskp) *mskp = id;
 	if (valp) *valp = id;
 	return 0;
-- 
2.25.1




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