When using INIT_UDATA() with an output buffer set to NULL, there's no space available, so output buffer length should be set to 0.
Signed-off-by: Yann Droneaud <[email protected]> Link: http://mid.gmane.org/[email protected] --- drivers/infiniband/core/uverbs_cmd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 5981604..df50e81 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1990,7 +1990,7 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, return -EFAULT; INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, - out_len); + 0); attr = kmalloc(sizeof *attr, GFP_KERNEL); if (!attr) @@ -2927,7 +2927,7 @@ ssize_t ib_uverbs_modify_srq(struct ib_uverbs_file *file, return -EFAULT; INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, - out_len); + 0); srq = idr_read_srq(cmd.srq_handle, file->ucontext); if (!srq) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
