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staging: lustre: ptlrpc: avoid warning on missing return

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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: 96049bd1ec ("staging: lustre: ptlrpc: embed highest XID in each request")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2017-01-25 23:36:34 +01:00 committed by Greg Kroah-Hartman
parent f3147b66a8
commit 74e3bb7531
1 changed files with 1 additions and 0 deletions
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drivers/staging/lustre/lustre/ptlrpc/pack_generic.c
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@ -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);