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 <arnd@xxxxxxxx>
---
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);
--
2.9.0
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