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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-02 18:32:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-11 15:55:37 +0300 |
| commit | 7a5fdd8660174a8056de57d1fdce3a7e9f77f60e (patch) | |
| tree | c8c3da1ce633434fac3b2b834ed4c5818d2e7731 | |
| parent | 31de0b70ae5661a407e9d578bbc41de2d83ac25d (diff) | |
| download | linux-7a5fdd8660174a8056de57d1fdce3a7e9f77f60e.tar.xz | |
USB: gadget: lpc32xx_udc: fix memory leak with using debugfs_lookup()
[ Upstream commit e3965acaf3739fde9d74ad82979b46d37c6c208f ]
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: Jakob Koschel <jakobkoschel@gmail.com>
Cc: Miaoqian Lin <linmq006@gmail.com>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Link: https://lore.kernel.org/r/20230202153235.2412790-10-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/usb/gadget/udc/lpc32xx_udc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index cea10cdb83ae..fe62db32dd0e 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -532,7 +532,7 @@ static void create_debug_file(struct lpc32xx_udc *udc) static void remove_debug_file(struct lpc32xx_udc *udc) { - debugfs_remove(debugfs_lookup(debug_filename, NULL)); + debugfs_lookup_and_remove(debug_filename, NULL); } #else |