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RDMA/uverbs: Fix a NULL vs IS_ERR() bug 

[ Upstream commit 463a3f66473b58d71428a1c3ce69ea52c05440e5 ]

The uapi_get_object() function returns error pointers, it never returns
NULL.

Fixes: 149d3845f4 ("RDMA/uverbs: Add a method to introspect handles in a context")
Link: https://lore.kernel.org/r/YJ6Got+U7lz+3n9a@mwanda
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2021-05-14 17:18:10 +03:00 committed by Greg Kroah-Hartman
parent 6fa78a6b9a
commit 88128a5054
1 changed files with 2 additions and 2 deletions
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4
drivers/infiniband/core/uverbs_std_types_device.c
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@ -110,8 +110,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_INFO_HANDLES)(
return ret;
uapi_object = uapi_get_object(attrs->ufile->device->uapi, object_id);
if (!uapi_object)
return -EINVAL;
if (IS_ERR(uapi_object))
return PTR_ERR(uapi_object);
handles = gather_objects_handle(attrs->ufile, uapi_object, attrs,
out_len, &total);