[PATCH 1/1] V4L: usbvideo, fix module ref count check

From: Jiri Slaby
Date: Mon Dec 08 2008 - 15:26:48 EST


usbvideo_ClientIncModCount may return value < 0 in the case of error, not > 0.

Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
---
drivers/media/video/usbvideo/usbvideo.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c
index 7c575bb..6ace064 100644
--- a/drivers/media/video/usbvideo/usbvideo.c
+++ b/drivers/media/video/usbvideo/usbvideo.c
@@ -1123,7 +1123,7 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file)
if (uvd->debug > 1)
dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, dev);

- if (0 < usbvideo_ClientIncModCount(uvd))
+ if (usbvideo_ClientIncModCount(uvd) < 0)
return -ENODEV;
mutex_lock(&uvd->lock);

--
1.6.0.5

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