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media: uvcvideo: Remove unnecessary NULL check before debugfs_remove_recursive

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debugfs_remove_recursive() accepts a NULL parameter and returns
immediately, there's no need for a NULL check in the caller.

This issue was detected with the help of Coccinelle.

[Reword commit message, address uvc_debugfs_cleanup_stream()]

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2017-11-12 03:18:59 -05:00 committed by Mauro Carvalho Chehab
parent 52a4eb317c
commit 829682b3db
1 changed files with 1 additions and 5 deletions
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6
drivers/media/usb/uvc/uvc_debugfs.c
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@ -106,9 +106,6 @@ void uvc_debugfs_init_stream(struct uvc_streaming *stream)
void uvc_debugfs_cleanup_stream(struct uvc_streaming *stream)
{
if (stream->debugfs_dir == NULL)
return;
debugfs_remove_recursive(stream->debugfs_dir);
stream->debugfs_dir = NULL;
}
@ -128,6 +125,5 @@ void uvc_debugfs_init(void)
void uvc_debugfs_cleanup(void)
{
if (uvc_debugfs_root_dir != NULL)
debugfs_remove_recursive(uvc_debugfs_root_dir);
debugfs_remove_recursive(uvc_debugfs_root_dir);
}