A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 03:01:39 -04:00
Code Issues Projects Releases Packages Wiki Activity

[SCSI] fix oops on usb storage device disconnect

Browse source 
We fix the oops by enforcing the host state model.  There have also
been two extra states added: SHOST_CANCEL_RECOVERY and
SHOST_DEL_RECOVERY so we can take the model through host removal while
the recovery thread is active.

Signed-off-by: James Bottomley <[email protected]>
This commit is contained in:
James Bottomley 2005-09-18 15:05:20 -05:00 • committed by James Bottomley
commit 939647ee30
8 changed files with 66 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

9
include/scsi/scsi_host.h
View file

@ -439,6 +439,8 @@ enum scsi_host_state {
SHOST_CANCEL,
SHOST_DEL,
SHOST_RECOVERY,
SHOST_CANCEL_RECOVERY,
SHOST_DEL_RECOVERY,
};
struct Scsi_Host {
@ -621,6 +623,13 @@ static inline struct Scsi_Host *dev_to_shost(struct device *dev)
return container_of(dev, struct Scsi_Host, shost_gendev);
}
static inline int scsi_host_in_recovery(struct Scsi_Host *shost)
{
return shost->shost_state == SHOST_RECOVERY ||
shost->shost_state == SHOST_CANCEL_RECOVERY ||
shost->shost_state == SHOST_DEL_RECOVERY;
}
extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *);
extern void scsi_flush_work(struct Scsi_Host *);