diff options
| -rw-r--r-- | drivers/ide/legacy/hd.c | 9 |
1 files changed, 6 insertions, 3 deletions
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 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; } |