linux-kernel - [PATCH] staging: lustre: remove useless check

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Date:	Wed, 30 Dec 2015 12:18:43 +0100
From:	Andrzej Hajda <a.hajda@...sung.com>
To:	Oleg Drokin <oleg.drokin@...el.com>,
	Andreas Dilger <andreas.dilger@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	lustre-devel@...ts.lustre.org (moderated list:STAGING - LUSTRE PARALLEL
	FILESYSTEM)
Cc:	Andrzej Hajda <a.hajda@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	devel@...verdev.osuosl.org (open list:STAGING SUBSYSTEM),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] staging: lustre: remove useless check

Variable reserved is unsigned so the check is always true.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
---
 drivers/staging/lustre/lustre/llite/rw.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/lustre/lustre/llite/rw.c b/drivers/staging/lustre/lustre/llite/rw.c
index 95cdb0c..2fd07a2 100644
--- a/drivers/staging/lustre/lustre/llite/rw.c
+++ b/drivers/staging/lustre/lustre/llite/rw.c
@@ -764,7 +764,6 @@ int ll_readahead(const struct lu_env *env, struct cl_io *io,
 	ret = ll_read_ahead_pages(env, io, queue,
 				  ria, &reserved, mapping, &ra_end);
 
-	LASSERTF(reserved >= 0, "reserved %lu\n", reserved);
 	if (reserved != 0)
 		ll_ra_count_put(ll_i2sbi(inode), reserved);
 
-- 
1.9.1

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