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>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c
index 8e05d88e81ba..0b0d86731927 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;
 }