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(parent: d93a8f8) | patch
tty, serial: Fix race and NULL check in uart_close()
authorLinus Torvalds <torvalds@linux-foundation.org>
Mon, 12 Oct 2009 17:13:54 +0000 (19:13 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 12 Oct 2009 17:21:33 +0000 (10:21 -0700)
commiteea7e17e0eb23729d58368420659f8e7c357d82e
tree728565e8a1f01d89dda17dff00a401915378a508tree | snapshot (tar.gz zip)
parentd93a8f829fe1d2f3002f2c6ddb553d12db420412commit | diff
tty, serial: Fix race and NULL check in uart_close()

Commit 46d57a449aa1 ("serial: use tty_port pointers in the core code")
contained two bugs that causes (rare) crashes:

 - the rename typoed one site

 - a NULL check was missed

Reported-and-tested-by: Ingo Molnar <mingo@elte.hu>
Cc: Greg KH <gregkh@suse.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/serial/serial_core.c diff | blob | blame | history