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-rw-r--r--drivers/infiniband/core/uverbs_main.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 1a3ac3d882b..d3fff9e008a 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -584,14 +584,16 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
if (hdr.command < 0 ||
hdr.command >= ARRAY_SIZE(uverbs_cmd_table) ||
- !uverbs_cmd_table[hdr.command] ||
- !(file->device->ib_dev->uverbs_cmd_mask & (1ull << hdr.command)))
+ !uverbs_cmd_table[hdr.command])
return -EINVAL;
if (!file->ucontext &&
hdr.command != IB_USER_VERBS_CMD_GET_CONTEXT)
return -EINVAL;
+ if (!(file->device->ib_dev->uverbs_cmd_mask & (1ull << hdr.command)))
+ return -ENOSYS;
+
return uverbs_cmd_table[hdr.command](file, buf + sizeof hdr,
hdr.in_words * 4, hdr.out_words * 4);
}