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-rw-r--r--drivers/target/target_core_device.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 65001e1..382b66b 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -936,6 +936,10 @@ int se_dev_set_pi_prot_type(struct se_device *dev, int flag)
return 0;
}
if (!dev->transport->init_prot || !dev->transport->free_prot) {
+ /* 0 is only allowed value for non-supporting backends */
+ if (flag == 0)
+ return 0;
+
pr_err("DIF protection not supported by backend: %s\n",
dev->transport->name);
return -ENOSYS;