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authorAndrew Morton <akpm@linux-foundation.org>2008-02-06 02:57:49 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-02-06 02:57:49 +0100
commitb004223db7249d42db893df916457acecc22759c (patch)
treea2aa63c6d1067bac0e2b2a36bde2d29d318eb7cd /drivers/ide
parent1dcfdf93f66375567ec563de74bbb8c295ac88df (diff)
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>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/legacy/hd.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c
index 8e05d88e81b..0b0d8673192 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;
}