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Code Issues Releases Wiki Activity

ide-floppy: do not complete rq's prematurely 

... and access them afterwards. Simplify rq completing code while at it.

Spotted-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Borislav Petkov 2009-03-31 20:15:34 +02:00 committed by Bartlomiej Zolnierkiewicz
parent d80c592c38
commit 5b6c942dd1
1 changed files with 6 additions and 7 deletions
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13
drivers/ide/ide-atapi.c
View File

@ -310,16 +310,14 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive)
pc->xferred = pc->req_xfer;
if (drive->pc_update_buffers)
drive->pc_update_buffers(drive, pc);
if (drive->media == ide_floppy)
ide_complete_rq(drive, 0, blk_rq_bytes(rq));
}
debug_log("%s: DMA finished\n", drive->name);
}
/* No more interrupts */
if ((stat & ATA_DRQ) == 0) {
int uptodate;
int uptodate, error;
unsigned int done;
debug_log("Packet command completed, %d bytes transferred\n",
pc->xferred);
@ -366,9 +364,9 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive)
if (blk_special_request(rq)) {
rq->errors = 0;
ide_complete_rq(drive, 0, blk_rq_bytes(rq));
done = blk_rq_bytes(rq);
error = 0;
} else {
unsigned int done;
if (blk_fs_request(rq) == 0 && uptodate <= 0) {
if (rq->errors == 0)
@ -380,9 +378,10 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive)
else
done = blk_rq_bytes(rq);
ide_complete_rq(drive, uptodate ? 0 : -EIO, done);
error = uptodate ? 0 : -EIO;
}
ide_complete_rq(drive, error, done);
return ide_stopped;
}