Author: hselasky
Date: Tue Jan 12 09:03:39 2016
New Revision: 293737
URL: https://svnweb.freebsd.org/changeset/base/293737
Log:
MFC r292989:
Handle when filedescriptors are closed before initialized. An early
fdclose() call can cause fget_unlocked() to fail.
Modified:
stable/9/sys/ofed/include/linux/file.h
Directory Properties:
stable/9/ (props changed)
stable/9/sys/ (props changed)
Modified: stable/9/sys/ofed/include/linux/file.h
==============================================================================
--- stable/9/sys/ofed/include/linux/file.h Tue Jan 12 09:00:19 2016
(r293736)
+++ stable/9/sys/ofed/include/linux/file.h Tue Jan 12 09:03:39 2016
(r293737)
@@ -90,8 +90,12 @@ fd_install(unsigned int fd, struct linux
struct file *file;
file = fget_unlocked(curthread->td_proc->p_fd, fd);
- filp->_file = file;
- finit(file, filp->f_mode, DTYPE_DEV, filp, &linuxfileops);
+ if (file == NULL) {
+ filp->_file = NULL;
+ } else {
+ filp->_file = file;
+ finit(file, filp->f_mode, DTYPE_DEV, filp, &linuxfileops);
+ }
/* drop the extra reference */
fput(filp);
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