From: Greg Kroah-Hartman gregkh@linuxfoundation.org
[ Upstream commit 6b4040f452037a7e95472577891d57c6b18c89c5 ]
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.
Reviewed-by: Linus Walleij linus.walleij@linaro.org Link: https://lore.kernel.org/r/20230202153235.2412790-5-gregkh@linuxfoundation.or... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/host/fotg210-hcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 3d1dbcf4c0732..c4c1fbc12b4cd 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -862,7 +862,7 @@ static inline void remove_debug_files(struct fotg210_hcd *fotg210) { struct usb_bus *bus = &fotg210_to_hcd(fotg210)->self;
- debugfs_remove(debugfs_lookup(bus->bus_name, fotg210_debug_root)); + debugfs_lookup_and_remove(bus->bus_name, fotg210_debug_root); }
/* handshake - spin reading hc until handshake completes or fails