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greybus: eliminate unneeded null check

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Coccinelle points out that debugfs_remove_recursive() handles a null
argument properly, so there's no need to check for NULL before
making the call.  I have verified this is true of the kernel we're
now working with (arche-6.0).

Signed-off-by: Alex Elder <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Alex Elder 2016-05-24 13:34:49 -05:00 • committed by Greg Kroah-Hartman
commit 66394300c3
1 changed files with 1 additions and 2 deletions
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3
drivers/staging/greybus/camera.c
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@ -883,8 +883,7 @@ static int gb_camera_debugfs_init(struct gb_camera *gcam)
static void gb_camera_debugfs_cleanup(struct gb_camera *gcam)
{
if (gcam->debugfs.root)
debugfs_remove_recursive(gcam->debugfs.root);
debugfs_remove_recursive(gcam->debugfs.root);
vfree(gcam->debugfs.buffers);
}