tty: Fix possible race in n_tty_read()

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Fix possible panic caused by unlocked access to tty->read_cnt in
while-loop condition in n_tty_read().

Signed-off-by: Stanislav Kozina <skozina@redhat.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Stanislav Kozina 2012-08-09 14:48:58 +01:00 • committed by Greg Kroah-Hartman

parent 857196e275

commit 00aaae033e

1 changed files with 5 additions and 1 deletions

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drivers/tty/n_tty.c

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