From 74e3bb75315ce62a4567f2871276bab32802e8b4 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 25 Jan 2017 23:36:34 +0100 Subject: [PATCH] staging: lustre: ptlrpc: avoid warning on missing return The newly added function triggers a harmless warning: drivers/staging/lustre/lustre/ptlrpc/pack_generic.c: In function 'lustre_shrink_msg': drivers/staging/lustre/lustre/ptlrpc/pack_generic.c:472:1: error: control reaches end of non-void function [-Werror=return-type] This probably happens because LASSERTF() contains an 'unlikely()' that sometimes prevents gcc from analysing the control flow correctly. Adding a return statement here seems harmless and lets us keep that unlikely(). Fixes: 96049bd1ecd0 ("staging: lustre: ptlrpc: embed highest XID in each request") Signed-off-by: Arnd Bergmann Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/ptlrpc/pack_generic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c b/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c index 13f00b7cbbe5..b1170277fd84 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c +++ b/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c @@ -469,6 +469,7 @@ int lustre_shrink_msg(struct lustre_msg *msg, int segment, default: LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); } + return 0; } EXPORT_SYMBOL(lustre_shrink_msg);