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parisc: Fix read buffer overflow in pdc_stable driver

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Check whether index is within bounds before testing the element.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Roel Kluin 2009-08-02 08:02:28 +00:00 committed by Helge Deller
parent b4f2e2ad53
commit 447c233da4
1 changed files with 1 additions and 1 deletions
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2
drivers/parisc/pdc_stable.c
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@ -370,7 +370,7 @@ pdcspath_layer_read(struct pdcspath_entry *entry, char *buf)
if (!i) /* entry is not ready */ if (!i) /* entry is not ready */
return -ENODATA; return -ENODATA;
for (i = 0; devpath->layers[i] && (likely(i < 6)); i++) for (i = 0; i < 6 && devpath->layers[i]; i++)
out += sprintf(out, "%u ", devpath->layers[i]); out += sprintf(out, "%u ", devpath->layers[i]);
out += sprintf(out, "\n"); out += sprintf(out, "\n");