From b004223db7249d42db893df916457acecc22759c Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 6 Feb 2008 02:57:49 +0100
Subject: [PATCH] drivers/ide/legacy/hd.c: fix uninitialized var warning
drivers/ide/legacy/hd.c: In function 'hd_request':
drivers/ide/legacy/hd.c:424: warning: 'stat' may be used uninitialized in this function
gcc is being stupid.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/legacy/hd.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c
index 8e05d88e81bab..0b0d867319278 100644
--- a/drivers/ide/legacy/hd.c
+++ b/drivers/ide/legacy/hd.c
@@ -421,11 +421,14 @@ static void bad_rw_intr(void)
static inline int wait_DRQ(void)
{
- int retries = 100000, stat;
+ int retries;
+ int stat;
- while (--retries > 0)
- if ((stat = inb_p(HD_STATUS)) & DRQ_STAT)
+ for (retries = 0; retries < 100000; retries++) {
+ stat = inb_p(HD_STATUS);
+ if (stat & DRQ_STAT)
return 0;
+ }
dump_status("wait_DRQ", stat);
return -1;
}
--
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