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[v2,2/7] RDMA/uverbs: Annotate uverbs_request_next_ptr() return value as a __user pointer

Message ID 20190327235051.67361-3-bvanassche@acm.org (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series Multiple fixes for issues reported by static checkers | expand

Commit Message

Bart Van Assche March 27, 2019, 11:50 p.m. UTC 
This patch avoids that sparse complains about a mismatch between the returned
value and the function return type.

Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Cc: Doug Ledford <dledford@redhat.com>
Fixes: c3bea3d2dc53 ("RDMA/uverbs: Use the iterator for ib_uverbs_unmarshall_recv()") # v5.0.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/infiniband/core/uverbs_cmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 062a86c04123..c9acd94b049d 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -162,7 +162,7 @@  static const void __user *uverbs_request_next_ptr(struct uverbs_req_iter *iter,
 	const void __user *res = iter->cur;
 
 	if (iter->cur + len > iter->end)
-		return ERR_PTR(-ENOSPC);
+		return (void __force __user *)ERR_PTR(-ENOSPC);
 	iter->cur += len;
 	return res;
 }