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Revert "eventfs: Check for NULL ef in eventfs_set_attr()"

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This reverts commit d8f492a059.

The eventfs was not designed properly and may have some hidden bugs in it.
Linus rewrote it properly and I trust his version more than this one. Revert
the backported patches for 6.6 and re-apply all the changes to make it
equivalent to Linus's version.

Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Steven Rostedt (Google) 2024-02-06 07:09:07 -05:00 committed by Greg Kroah-Hartman
parent 6fdc0bcd06
commit 5e9fb47619
1 changed files with 2 additions and 2 deletions
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4
fs/tracefs/event_inode.c
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@ -113,14 +113,14 @@ static int eventfs_set_attr(struct mnt_idmap *idmap, struct dentry *dentry,
mutex_lock(&eventfs_mutex);
ef = dentry->d_fsdata;
if (ef && ef->is_freed) {
if (ef->is_freed) {
/* Do not allow changes if the event is about to be removed. */
mutex_unlock(&eventfs_mutex);
return -ENODEV;
}
ret = simple_setattr(idmap, dentry, iattr);
if (!ret && ef)
if (!ret)
update_attr(ef, iattr);
mutex_unlock(&eventfs_mutex);
return ret;