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Code Issues Releases Wiki Activity

serial: mxs: fix buffer overflow

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SMATCH correctly found an off-by-one error:

drivers/tty/serial/mxs-auart.c:889 auart_console_write() error: buffer overflow 'auart_port' 5 <= 5

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wolfram Sang 2013-04-19 21:12:17 +02:00 committed by Greg Kroah-Hartman
parent 78506f223a
commit 4829e7650f
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/mxs-auart.c
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@ -883,7 +883,7 @@ auart_console_write(struct console *co, const char *str, unsigned int count)
unsigned int old_ctrl0, old_ctrl2;
unsigned int to = 1000;
if (co->index > MXS_AUART_PORTS || co->index < 0)
if (co->index >= MXS_AUART_PORTS || co->index < 0)
return;
s = auart_port[co->index];