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(parent: 28d49f8) | patch
tty: pcn_uart: fix memory leak with using debugfs_lookup()
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 2 Feb 2023 14:12:21 +0000 (15:12 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 8 Feb 2023 12:09:55 +0000 (13:09 +0100)
commit04a189c720aa2b6091442113ce9b9bc93552dff8
treeb3eaaaba9fe9679e16eb5432c66456dd2d65e66dtree | snapshot
parent28d49f8cbe9c7966f91ee1b5ec2f997f6e55bf9fcommit | diff
tty: pcn_uart: 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: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230202141221.2293012-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/pch_uart.c diff | blob | history
Domain: System / Kernel;