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* [PATCH] md/raid10: get rid of duplicated conditional expression
@ 2011-06-08 11:35 Namhyung Kim
  0 siblings, 0 replies; only message in thread
From: Namhyung Kim @ 2011-06-08 11:35 UTC (permalink / raw)
  To: Neil Brown; +Cc: linux-raid

Variable 'first' is initialized to zero and updated to @rdev->raid_disk
only if it is greater than 0. Thus condition '>= first' always implies
'>= 0' so the latter is not needed.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
---
 drivers/md/raid10.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index fc56bdd8c3fb..fcb86e86bc31 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1093,8 +1093,7 @@ static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
 	if (rdev->raid_disk >= 0)
 		first = last = rdev->raid_disk;
 
-	if (rdev->saved_raid_disk >= 0 &&
-	    rdev->saved_raid_disk >= first &&
+	if (rdev->saved_raid_disk >= first &&
 	    conf->mirrors[rdev->saved_raid_disk].rdev == NULL)
 		mirror = rdev->saved_raid_disk;
 	else
-- 
1.7.5.2


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2011-06-08 11:35 [PATCH] md/raid10: get rid of duplicated conditional expression Namhyung Kim

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