renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-23 20:53:53 +08:00
Code

IB/qib: Prevent context loss

Browse Source 
If a context has already been assigned to an FD, prevent
another assignment.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Ira Weiny 2016-06-09 07:51:39 -07:00 committed by Doug Ledford
parent ca2f30a0a6
commit 5e9ef24619
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/infiniband/hw/qib/qib_file_ops.c
View File

@ -2178,6 +2178,11 @@ static ssize_t qib_write(struct file *fp, const char __user *data,
switch (cmd.type) {
case QIB_CMD_ASSIGN_CTXT:
if (rcd) {
ret = -EINVAL;
goto bail;
}
ret = qib_assign_ctxt(fp, &cmd.cmd.user_info);
if (ret)
goto bail;