Blackfin: fix bug found by traps test case 21

[linux-2.6.git] / arch / blackfin / mm / isram-driver.c

diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c
index 22913e7a1818169a4909c2403da1f185858eae67..c080e70f98b0c579eafbb7d07365daaa2f8d484c 100644 (file)
--- a/arch/blackfin/mm/isram-driver.c
+++ b/arch/blackfin/mm/isram-driver.c
@@ -125,7 +125,7 @@ static bool isram_check_addr(const void *addr, size_t n)
 {
        if ((addr >= (void *)L1_CODE_START) &&
            (addr < (void *)(L1_CODE_START + L1_CODE_LENGTH))) {
 {
        if ((addr >= (void *)L1_CODE_START) &&
            (addr < (void *)(L1_CODE_START + L1_CODE_LENGTH))) {

-               if ((addr + n) >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) {
+               if ((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH)) {

                        show_stack(NULL, NULL);
                        printk(KERN_ERR "isram_memcpy: copy involving %p length "
                                        "(%zu) too long\n", addr, n);
                        show_stack(NULL, NULL);
                        printk(KERN_ERR "isram_memcpy: copy involving %p length "
                                        "(%zu) too long\n", addr, n);