From a16554474f772ea857bf193608231a735e01cccc Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Date: Tue, 26 Jun 2012 16:50:10 +0800
Subject: [PATCH] staging: zcache: fix a compile warning
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Fix:

drivers/staging/zcache/zcache-main.c: In function ‘zcache_comp_op’:
drivers/staging/zcache/zcache-main.c:112:2: warning: ‘ret’ may be used uninitial

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/zcache/zcache-main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index 55fbe3d..58e7bd4 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -109,6 +109,8 @@ static inline int zcache_comp_op(enum comp_op op,
 	case ZCACHE_COMPOP_DECOMPRESS:
 		ret = crypto_comp_decompress(tfm, src, slen, dst, dlen);
 		break;
+	default:
+		ret = -EINVAL;
 	}
 	put_cpu();
 	return ret;
-- 
2.7.4