diff options
| author | Roel Kluin <roel.kluin@gmail.com> | 2009-08-06 13:00:37 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-20 10:29:28 +1000 |
| commit | 728656506447b3b349d082a7fb99445f9cb0caaa (patch) | |
| tree | 191c955b70e92e8fca448c71884b41e52ac97b07 /drivers/char/hvsi.c | |
| parent | 6826a57d1abc8ac9f59b24f1a008554c6560a995 (diff) | |
powerpc/hvsi: Avoid calculating possibly-invalid address
Check whether index is within bounds prior to calculating a
possibly-invalid address.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Bernd Petrovitsch <bernd@firmix.at>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/char/hvsi.c')
| -rw-r--r-- | drivers/char/hvsi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c index 2989056a9e39..793b236c9266 100644 --- a/drivers/char/hvsi.c +++ b/drivers/char/hvsi.c @@ -1230,11 +1230,12 @@ static struct tty_driver *hvsi_console_device(struct console *console, static int __init hvsi_console_setup(struct console *console, char *options) { - struct hvsi_struct *hp = &hvsi_ports[console->index]; + struct hvsi_struct *hp; int ret; if (console->index < 0 || console->index >= hvsi_count) return -1; + hp = &hvsi_ports[console->index]; /* give the FSP a chance to change the baud rate when we re-open */ hvsi_close_protocol(hp); |