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media: siano: Fix error handling in smsdvb_module_init()

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commit 734ac57e47 upstream.

The smsdvb_module_init() returns without checking the retval from
smscore_register_hotplug().
If the smscore_register_hotplug() failed, the module failed to install,
leaving the smsdvb_debugfs not unregistered.

Fixes: 3f6b87cff6 ("[media] siano: allow showing the complete statistics via debugfs")
Cc: stable@vger.kernel.org
Signed-off-by: Yuan Can <yuancan@huawei.com>
Acked-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yuan Can
2024-10-22 14:50:37 +08:00
committed by Greg Kroah-Hartman
parent 3e7fc0606e
commit 192b87608c
1 changed files with 2 additions and 0 deletions
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drivers/media/common/siano/smsdvb-main.c
+2
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@@ -1243,6 +1243,8 @@ static int __init smsdvb_module_init(void)
smsdvb_debugfs_register();
rc = smscore_register_hotplug(smsdvb_hotplug);
if (rc)
smsdvb_debugfs_unregister();
pr_debug("\n");