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ide: ide-cd_ioctl.c fix sparse integer as NULL pointer warnings 

The function ide_cd_queue_pc should be checked as the bufflen arg is
dereferenced and lots of callers are passing in NULL.

drivers/ide/ide-cd_ioctl.c:124:46: warning: Using plain integer as NULL pointer
drivers/ide/ide-cd_ioctl.c:149:47: warning: Using plain integer as NULL pointer
drivers/ide/ide-cd_ioctl.c:231:46: warning: Using plain integer as NULL pointer
drivers/ide/ide-cd_ioctl.c:374:46: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Harvey Harrison 2008-07-23 19:56:02 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 141d3b27fc
commit 1a677aba5e
1 changed files with 4 additions and 4 deletions
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8
drivers/ide/ide-cd_ioctl.c
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@ -121,7 +121,7 @@ int cdrom_eject(ide_drive_t *drive, int ejectflag,
cmd[0] = GPCMD_START_STOP_UNIT;
cmd[4] = loej | (ejectflag != 0);
return ide_cd_queue_pc(drive, cmd, 0, NULL, 0, sense, 0, 0);
return ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, sense, 0, 0);
}
/* Lock the door if LOCKFLAG is nonzero; unlock it otherwise. */
@ -146,7 +146,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
cmd[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL;
cmd[4] = lockflag ? 1 : 0;
stat = ide_cd_queue_pc(drive, cmd, 0, NULL, 0,
stat = ide_cd_queue_pc(drive, cmd, 0, NULL, NULL,
sense, 0, 0);
}
@ -228,7 +228,7 @@ int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed)
cmd[5] = speed & 0xff;
}
stat = ide_cd_queue_pc(drive, cmd, 0, NULL, 0, &sense, 0, 0);
stat = ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, &sense, 0, 0);
if (!ide_cdrom_get_capabilities(drive, buf)) {
ide_cdrom_update_speed(drive, buf);
@ -371,7 +371,7 @@ static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg)
lba_to_msf(lba_start, &cmd[3], &cmd[4], &cmd[5]);
lba_to_msf(lba_end - 1, &cmd[6], &cmd[7], &cmd[8]);
return ide_cd_queue_pc(drive, cmd, 0, NULL, 0, &sense, 0, 0);
return ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, &sense, 0, 0);
}
static int ide_cd_read_tochdr(ide_drive_t *drive, void *arg)