diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-04 15:15:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-04 15:15:15 -0700 |
| commit | 03da30986793385af57eeca3296253c887b742e6 (patch) | |
| tree | 9c46dbe51c9d0856990649dd917ab45474b7be87 /drivers/scsi/sg.c | |
| parent | 6ba74014c1ab0e37af7de6f64b4eccbbae3cb9e7 (diff) | |
| parent | 339f4f4eab80caa6cf0d39fb057ad6ddb84ba91e (diff) | |
| download | linux-03da30986793385af57eeca3296253c887b742e6.tar.gz linux-03da30986793385af57eeca3296253c887b742e6.tar.bz2 linux-03da30986793385af57eeca3296253c887b742e6.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (276 commits)
[SCSI] zfcp: Trigger logging in the FCP channel on qdio error conditions
[SCSI] zfcp: Introduce experimental support for DIF/DIX
[SCSI] zfcp: Enable data division support for FCP devices
[SCSI] zfcp: Prevent access on uninitialized memory.
[SCSI] zfcp: Post events through FC transport class
[SCSI] zfcp: Cleanup QDIO attachment and improve processing.
[SCSI] zfcp: Cleanup function parameters for sbal value.
[SCSI] zfcp: Use correct width for timer_interval field
[SCSI] zfcp: Remove SCSI device when removing unit
[SCSI] zfcp: Use memdup_user and kstrdup
[SCSI] zfcp: Fix retry after failed "open port" erp action
[SCSI] zfcp: Fail erp after timeout
[SCSI] zfcp: Use forced_reopen in terminate_rport_io callback
[SCSI] zfcp: Register SCSI devices after successful fc_remote_port_add
[SCSI] zfcp: Do not try "forced close" when port is already closed
[SCSI] zfcp: Do not unblock rport from REOPEN_PORT_FORCED
[SCSI] sd: add support for runtime PM
[SCSI] implement runtime Power Management
[SCSI] convert to the new PM framework
[SCSI] Unify SAM_ and SAM_STAT_ macros
...
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index ef752b248c4d..2968c6b83ddb 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -245,6 +245,10 @@ sg_open(struct inode *inode, struct file *filp) if (retval) goto sg_put; + retval = scsi_autopm_get_device(sdp->device); + if (retval) + goto sdp_put; + if (!((flags & O_NONBLOCK) || scsi_block_when_processing_errors(sdp->device))) { retval = -ENXIO; @@ -302,8 +306,11 @@ sg_open(struct inode *inode, struct file *filp) } retval = 0; error_out: - if (retval) + if (retval) { + scsi_autopm_put_device(sdp->device); +sdp_put: scsi_device_put(sdp->device); + } sg_put: if (sdp) sg_put_dev(sdp); @@ -327,6 +334,7 @@ sg_release(struct inode *inode, struct file *filp) sdp->exclude = 0; wake_up_interruptible(&sdp->o_excl_wait); + scsi_autopm_put_device(sdp->device); kref_put(&sfp->f_ref, sg_remove_sfp); return 0; } @@ -729,6 +737,8 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, return k; /* probably out of space --> ENOMEM */ } if (sdp->detached) { + if (srp->bio) + blk_end_request_all(srp->rq, -EIO); sg_finish_rem_req(srp); return -ENODEV; } |