1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index f8657568b1ba..f3c992e29651 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);