powerpc: Fix error return in rtas_flash module init

module_init should return 0 or a negative errno.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 2f3cdb01506de3d7791712ecd6ffeaf1fcd36352..658e89d2025b0b2dd65bb812d2c89d65867c1015 100644 (file)
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -705,7 +705,7 @@ static int __init rtas_flash_init(void)
        if (rtas_token("ibm,update-flash-64-and-reboot") ==
                       RTAS_UNKNOWN_SERVICE) {
                pr_info("rtas_flash: no firmware flash support\n");
-               return 1;
+               return -EINVAL;
        }
 
        rtas_validate_flash_data.buf = kzalloc(VALIDATE_BUF_SIZE, GFP_KERNEL);