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Commit e7fdc605 authored by Roel Kluin's avatar Roel Kluin Committed by Tony Lindgren
Browse files

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: default avatarRoel Kluin <roel.kluin@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent d32b20fc

arch/arm/mach-omap2/gpmc.c

+1 −1
Original line number Diff line number Diff line
@@ -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);