Commit a95f62d5 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

USB: isp116x: fix memory leak with using debugfs_lookup() 

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>
Link: https://lore.kernel.org/r/20230202153235.2412790-6-gregkh@linuxfoundation.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6b4040f4

drivers/usb/host/isp116x-hcd.c

+1 −1
Original line number Diff line number Diff line
@@ -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