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From: Eddie Kovsky <ewk@edkovsky.org>
To: neilb@suse.de
Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] Fix reversed logic in drivers/md/md.c
Date: Mon, 25 May 2015 22:36:24 -0600	[thread overview]
Message-ID: <20150526043624.GA24890@athena> (raw)

Fixes the following compiler warning in next-20150525 using gcc 5.1.0:

drivers/md/md.c: In function ‘update_array_info’:
drivers/md/md.c:6394:26: warning: logical not is only applied to the
left hand side of comparison [-Wlogical-not-parentheses]
      !mddev->persistent  != info->not_persistent||

Signed-off-by: Eddie Kovsky <ewk@edkovsky.org>
---
 drivers/md/md.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index eb27b2a74492..b0f98b5b8985 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6391,7 +6391,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info)
 	    mddev->ctime         != info->ctime         ||
 	    mddev->level         != info->level         ||
 /*	    mddev->layout        != info->layout        || */
-	    !mddev->persistent	 != info->not_persistent||
+	    mddev->persistent	 == info->not_persistent||
 	    mddev->chunk_sectors != info->chunk_size >> 9 ||
 	    /* ignore bottom 8 bits of state, and allow SB_BITMAP_PRESENT to change */
 	    ((state^info->state) & 0xfffffe00)
-- 
2.4.1

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WARNING: multiple messages have this Message-ID (diff)
From: Eddie Kovsky <ewk@edkovsky.org>
To: neilb@suse.de
Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] Fix reversed logic in drivers/md/md.c
Date: Mon, 25 May 2015 22:36:24 -0600	[thread overview]
Message-ID: <20150526043624.GA24890@athena> (raw)

Fixes the following compiler warning in next-20150525 using gcc 5.1.0:

drivers/md/md.c: In function ‘update_array_info’:
drivers/md/md.c:6394:26: warning: logical not is only applied to the
left hand side of comparison [-Wlogical-not-parentheses]
      !mddev->persistent  != info->not_persistent||

Signed-off-by: Eddie Kovsky <ewk@edkovsky.org>
---
 drivers/md/md.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index eb27b2a74492..b0f98b5b8985 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6391,7 +6391,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info)
 	    mddev->ctime         != info->ctime         ||
 	    mddev->level         != info->level         ||
 /*	    mddev->layout        != info->layout        || */
-	    !mddev->persistent	 != info->not_persistent||
+	    mddev->persistent	 == info->not_persistent||
 	    mddev->chunk_sectors != info->chunk_size >> 9 ||
 	    /* ignore bottom 8 bits of state, and allow SB_BITMAP_PRESENT to change */
 	    ((state^info->state) & 0xfffffe00)
-- 
2.4.1


             reply	other threads:[~2015-05-26  4:36 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-26  4:36 Eddie Kovsky [this message]
2015-05-26  4:36 ` [PATCH] Fix reversed logic in drivers/md/md.c Eddie Kovsky
2015-05-26  4:58 ` NeilBrown

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