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o stray return -ENXIO in reuqest [Jens Axboe]

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This commit is contained in:
Joe Thornber 2001-08-31 09:43:35 +00:00
parent 902d4c31fb
commit 1f0520634f
1 changed files with 6 additions and 5 deletions
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11
driver/device-mapper/dm.c
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@ -346,7 +346,7 @@ static int request(request_queue_t *q, int rw, struct buffer_head *bh)
int r, minor = MINOR(bh->b_rdev);
if (minor >= MAX_DEVICES)
return -ENXIO;
goto bad_no_lock;
rl;
md = _devs[minor];
@ -359,11 +359,10 @@ static int request(request_queue_t *q, int rw, struct buffer_head *bh)
ru;
r = queue_io(md, bh, rw);
if (r < 0) {
buffer_IO_error(bh);
return 0;
if (r < 0)
goto bad_no_lock;
} else if (r > 0)
else if (r > 0)
return 0; /* deferred successfully */
rl; /* FIXME: there's still a race here */
@ -377,6 +376,8 @@ static int request(request_queue_t *q, int rw, struct buffer_head *bh)
bad:
ru;
bad_no_lock:
buffer_IO_error(bh);
return 0;
}