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| author | Borislav Petkov <petkovbb@gmail.com> | 2009-05-02 10:58:17 +0200 |
|---|---|---|
| committer | Borislav Petkov <petkovbb@gmail.com> | 2009-05-15 06:44:23 +0200 |
| commit | ae3a8387be529e632eac69b342524c25b892fc63 (patch) | |
| tree | 30f9d6c3480e4c3fe8fdaf3bfa004911a54eadbd /drivers/ide | |
| parent | 5122e5174f872c9f3120c8aff71c448f84b6f038 (diff) | |
| download | kernel_samsung_smdk4412-ae3a8387be529e632eac69b342524c25b892fc63.zip kernel_samsung_smdk4412-ae3a8387be529e632eac69b342524c25b892fc63.tar.gz kernel_samsung_smdk4412-ae3a8387be529e632eac69b342524c25b892fc63.tar.bz2 | |
ide-atapi: use local sense buffer
Access the sense buffer through the bio in ->pc_callback method thus
alleviating the need for the pc->buf pointer.
There should be no functional change resulting from this patch.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ide-atapi.c | 4 | ||||
| -rw-r--r-- | drivers/ide/ide-floppy.c | 3 | ||||
| -rw-r--r-- | drivers/ide/ide-tape.c | 5 |
3 files changed, 8 insertions, 4 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index b12be1f..66ea1e7 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -253,7 +253,9 @@ void ide_retry_pc(ide_drive_t *drive) /* init pc from sense_rq */ ide_init_pc(pc); memcpy(pc->c, sense_rq->cmd, 12); - pc->buf = bio_data(sense_rq->bio); /* pointer to mapped address */ + + /* pointer to mapped address */ + pc->buf = bio_data(sense_rq->bio); pc->req_xfer = blk_rq_bytes(sense_rq); if (drive->media == ide_tape) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 060c893..14e5e9c 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -77,7 +77,8 @@ static int ide_floppy_callback(ide_drive_t *drive, int dsc) (rq && blk_pc_request(rq))) uptodate = 1; /* FIXME */ else if (pc->c[0] == GPCMD_REQUEST_SENSE) { - u8 *buf = pc->buf; + + u8 *buf = bio_data(rq->bio); if (!pc->error) { floppy->sense_key = buf[2] & 0x0F; diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 1f7f504..ef5f342 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -288,11 +288,12 @@ static struct ide_tape_obj *ide_tape_chrdev_get(unsigned int i) * called on each failed packet command retry to analyze the request sense. We * currently do not utilize this information. */ -static void idetape_analyze_error(ide_drive_t *drive, u8 *sense) +static void idetape_analyze_error(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; struct ide_atapi_pc *pc = drive->failed_pc; struct request *rq = drive->hwif->rq; + u8 *sense = bio_data(rq->bio); tape->sense_key = sense[2] & 0xF; tape->asc = sense[12]; @@ -362,7 +363,7 @@ static int ide_tape_callback(ide_drive_t *drive, int dsc) if (pc->c[0] == REQUEST_SENSE) { if (uptodate) - idetape_analyze_error(drive, pc->buf); + idetape_analyze_error(drive); else printk(KERN_ERR "ide-tape: Error in REQUEST SENSE " "itself - Aborting request!\n"); |