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authorRaghava Aditya Renukunta <raghavaaditya.renukunta@pmcs.com>2016-02-03 15:06:06 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2016-02-23 21:27:02 -0500
commitfbd185986ebafaeac900a1af1829fed2bf03242e (patch)
tree90bbc9aad6b1e25c25b067d71da0449f237723e5 /drivers/scsi/aacraid/commctrl.c
parentaacraid: Created new mutex for ioctl path (diff)
downloadwireguard-linux-fbd185986ebafaeac900a1af1829fed2bf03242e.tar.xz
wireguard-linux-fbd185986ebafaeac900a1af1829fed2bf03242e.zip
aacraid: Fix AIF triggered IOP_RESET
while driver removal is in progress or PCI shutdown is invoked, driver kills AIF aacraid thread, but IOCTL requests from the management tools re-start AIF thread leading to IOP_RESET. Fixed by setting adapter_shutdown flag when PCI shutdown is invoked. Signed-off-by: Raghava Aditya Renukunta <raghavaaditya.renukunta@pmcs.com> Reviewed-by: Shane Seymour <shane.seymour@hpe.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aacraid/commctrl.c')
-rw-r--r--drivers/scsi/aacraid/commctrl.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index ebf214b863a4..4b3bb52b5108 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -857,6 +857,11 @@ int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg)
mutex_lock(&dev->ioctl_mutex);
+ if (dev->adapter_shutdown) {
+ status = -EACCES;
+ goto cleanup;
+ }
+
/*
* HBA gets first crack
*/