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path: root/drivers/ide/legacy/hd.c
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Diffstat (limited to 'drivers/ide/legacy/hd.c')
-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 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;
}