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-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_ctl.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index 64254416a178..08685c4cf231 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -2181,10 +2181,12 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg,
return -EAGAIN;
state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING;
- if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex))
- return -EAGAIN;
- else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex))
+ if (state == NON_BLOCKING) {
+ if (!mutex_trylock(&ioc->ctl_cmds.mutex))
+ return -EAGAIN;
+ } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) {
return -ERESTARTSYS;
+ }
switch (cmd) {
case MPT2IOCINFO:
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