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drivers/ide/legacy/hd.c: fix uninitialized var warning

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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>
This commit is contained in:
Andrew Morton 2008-02-06 02:57:49 +01:00 committed by Bartlomiej Zolnierkiewicz
parent 1dcfdf93f6
commit b004223db7
1 changed files with 6 additions and 3 deletions
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drivers/ide/legacy/hd.c
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@ -421,11 +421,14 @@ static void bad_rw_intr(void)
static inline int wait_DRQ(void) static inline int wait_DRQ(void)
{ {
int retries = 100000, stat; int retries;
int stat;
while (--retries > 0) for (retries = 0; retries < 100000; retries++) {
if ((stat = inb_p(HD_STATUS)) & DRQ_STAT) stat = inb_p(HD_STATUS);
if (stat & DRQ_STAT)
return 0; return 0;
}
dump_status("wait_DRQ", stat); dump_status("wait_DRQ", stat);
return -1; return -1;
} }