From: Anton Blanchard <anton@samba.org>
Subject: powerpc: Fix error return in rtas_flash module init
Git-commit: 0c930692107be4b91c3eeecfd9c9d600039f966f
Patch-mainline: v3.15-rc4
References: bnc#878240 

    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>
Acked-by: Torsten Duwe <duwe@suse.de>

 arch/powerpc/kernel/rtas_flash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 2f3cdb0..658e89d 100644
--- 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);
