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authorRoel Kluin <roel.kluin@gmail.com>2009-11-17 14:39:06 -0800
committerTony Lindgren <tony@atomide.com>2009-11-18 10:34:33 -0800
commite7fdc6052e78738ce90e0bdc051f2ddf60e41324 (patch)
treeadb48c1df8d34eb936923631b94c5d470705882a /arch
parentd32b20fc7dad87ac95fcc73fca3606c0db85f210 (diff)
OMAP: cs should be positive in gpmc_cs_free()
The index `cs' is signed, test whether it is negative before we release gpmc_cs_mem[cs]. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/gpmc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index f8657568b1b..f3c992e2965 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -378,7 +378,7 @@ EXPORT_SYMBOL(gpmc_cs_request);
void gpmc_cs_free(int cs)
{
spin_lock(&gpmc_mem_lock);
- if (cs >= GPMC_CS_NUM || !gpmc_cs_reserved(cs)) {
+ if (cs >= GPMC_CS_NUM || cs < 0 || !gpmc_cs_reserved(cs)) {
printk(KERN_ERR "Trying to free non-reserved GPMC CS%d\n", cs);
BUG();
spin_unlock(&gpmc_mem_lock);