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orangefs: add .owner to debugfs file_operations 

Without ".owner = THIS_MODULE" it is possible to crash the kernel
 by unloading the Orangefs module while someone is reading debugfs
 files.
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Merge tag 'for-linus-4.9-rc5-ofs-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs fix from Mike Marshall:
 "orangefs: add .owner to debugfs file_operations

  Without ".owner = THIS_MODULE" it is possible to crash the kernel by
  unloading the Orangefs module while someone is reading debugfs files"

* tag 'for-linus-4.9-rc5-ofs-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: add .owner to debugfs file_operations
This commit is contained in:
Linus Torvalds 2016-11-17 13:45:57 -08:00
parent 5d1904204c 19ff7fcc76
commit d46bc34da9
1 changed files with 2 additions and 0 deletions
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2
fs/orangefs/orangefs-debugfs.c
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@ -114,6 +114,7 @@ static const struct seq_operations help_debug_ops = {
};
const struct file_operations debug_help_fops = {
.owner = THIS_MODULE,
.open = orangefs_debug_help_open,
.read = seq_read,
.release = seq_release,
@ -121,6 +122,7 @@ const struct file_operations debug_help_fops = {
};
static const struct file_operations kernel_debug_fops = {
.owner = THIS_MODULE,
.open = orangefs_debug_open,
.read = orangefs_debug_read,
.write = orangefs_debug_write,