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IB/hfi1: Fix error condition that needs to clean up 

If input validation fails, properly free the request before returning.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Dean Luick 2016-07-28 15:21:17 -04:00 committed by Doug Ledford
parent a383f8ec55
commit 9da7e9a711
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/hfi1/user_sdma.c
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@ -617,7 +617,8 @@ int hfi1_user_sdma_process_request(struct file *fp, struct iovec *iovec,
if (!info.npkts || req->data_iovs > MAX_VECTORS_PER_REQ) {
SDMA_DBG(req, "Too many vectors (%u/%u)", req->data_iovs,
MAX_VECTORS_PER_REQ);
return -EINVAL;
ret = -EINVAL;
goto free_req;
}
/* Copy the header from the user buffer */
ret = copy_from_user(&req->hdr, iovec[idx].iov_base + sizeof(info),