Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 06/13] USB: isp116x: fix memory leak with using debugfs_lookup() | Date | Thu, 2 Feb 2023 16:32:28 +0100 |
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When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once.
Cc: Olav Kongas <ok@artecdesign.ee> Cc: linux-usb@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/usb/host/isp116x-hcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 4f564d71bb0b..49ae01487af4 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1205,7 +1205,7 @@ static void create_debug_file(struct isp116x *isp116x) static void remove_debug_file(struct isp116x *isp116x) { - debugfs_remove(debugfs_lookup(hcd_name, usb_debug_root)); + debugfs_lookup_and_remove(hcd_name, usb_debug_root); } #else -- 2.39.1
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