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authorWolfram Sang <wsa@the-dreams.de>2013-04-19 21:12:17 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-22 10:22:21 -0700
commit4829e7650f8a40645e4e32b26a37fb833a5e75f0 (patch)
tree5f04c4596c310c031d2f4e5c9d8a673e0435483a /drivers/tty
parent78506f223a7bb7d47b1772592932921689adc6d8 (diff)
downloadop-kernel-dev-4829e7650f8a40645e4e32b26a37fb833a5e75f0.zip
op-kernel-dev-4829e7650f8a40645e4e32b26a37fb833a5e75f0.tar.gz
serial: mxs: fix buffer overflow
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>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/mxs-auart.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index d549fe1..9d357da 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -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];
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