| Message ID | 145856334891.11327.2502114310098245295.stgit@woodpecker.blarg.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c index cea35bf..4d7e8dd 100644 --- a/drivers/media/media-devnode.c +++ b/drivers/media/media-devnode.c @@ -266,8 +266,11 @@ int __must_check media_devnode_register(struct media_devnode *mdev, return 0; error: + mutex_lock(&media_devnode_lock); cdev_del(&mdev->cdev); clear_bit(mdev->minor, media_devnode_nums); + mutex_unlock(&media_devnode_lock); + return ret; }
All accesses to media_devnode_nums must be protected with media_devnode_lock. The error code path in media_devnode_register() did not do this, however. Signed-off-by: Max Kellermann <max@duempel.org> --- drivers/media/media-devnode.c | 3 +++ 1 file changed, 3 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html