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path: root/drivers/scsi/cxlflash/superpipe.c
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Diffstat (limited to 'drivers/scsi/cxlflash/superpipe.c')
-rw-r--r--drivers/scsi/cxlflash/superpipe.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/scsi/cxlflash/superpipe.c b/drivers/scsi/cxlflash/superpipe.c
index ad0f9968ccfb..ed46e8df2e42 100644
--- a/drivers/scsi/cxlflash/superpipe.c
+++ b/drivers/scsi/cxlflash/superpipe.c
@@ -1390,6 +1390,7 @@ static int cxlflash_disk_attach(struct scsi_device *sdev,
if (unlikely(!ctxi)) {
dev_err(dev, "%s: Failed to create context ctxid=%d\n",
__func__, ctxid);
+ rc = -ENOMEM;
goto err;
}
@@ -1650,6 +1651,7 @@ static int cxlflash_afu_recover(struct scsi_device *sdev,
u64 ctxid = DECODE_CTXID(recover->context_id),
rctxid = recover->context_id;
long reg;
+ bool locked = true;
int lretry = 20; /* up to 2 seconds */
int new_adap_fd = -1;
int rc = 0;
@@ -1658,8 +1660,11 @@ static int cxlflash_afu_recover(struct scsi_device *sdev,
up_read(&cfg->ioctl_rwsem);
rc = mutex_lock_interruptible(mutex);
down_read(&cfg->ioctl_rwsem);
- if (rc)
+ if (rc) {
+ locked = false;
goto out;
+ }
+
rc = check_state(cfg);
if (rc) {
dev_err(dev, "%s: Failed state rc=%d\n", __func__, rc);
@@ -1693,8 +1698,10 @@ retry_recover:
mutex_unlock(mutex);
msleep(100);
rc = mutex_lock_interruptible(mutex);
- if (rc)
+ if (rc) {
+ locked = false;
goto out;
+ }
goto retry_recover;
}
@@ -1738,7 +1745,8 @@ retry_recover:
out:
if (likely(ctxi))
put_context(ctxi);
- mutex_unlock(mutex);
+ if (locked)
+ mutex_unlock(mutex);
atomic_dec_if_positive(&cfg->recovery_threads);
return rc;
}