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>
diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c
index 8e05d88..0b0d867 100644
--- a/drivers/ide/legacy/hd.c
+++ b/drivers/ide/legacy/hd.c
@@ -421,11 +421,14 @@
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;
}