Return the proper error code (ENOCRASHKERNEL) for a missing crash
kernel region in /proc/iomem, so the error handling in kexec.c can
print the appropriate message.

Signed-off-by: Russell King <redacted>
---
 kexec/arch/arm/kexec-zImage-arm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kexec/arch/arm/kexec-zImage-arm.c b/kexec/arch/arm/kexec-zImage-arm.c
index d85ab9b..4755f06 100644
--- a/kexec/arch/arm/kexec-zImage-arm.c
+++ b/kexec/arch/arm/kexec-zImage-arm.c

@@ -451,7 +451,7 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len,
 			 * No crash kernel memory reserved. We cannot do more
 			 * but just bail out.
 			 */
-			return -1;
+			return ENOCRASHKERNEL;
 		}
 		base = start;
 	} else {

-- 
1.9.1