reiserfs: turn of ATTR_KILL_S*ID at beginning of reiserfs_setattr
reiserfs_setattr can call notify_change recursively using the same iattr struct. This could cause it to trip the BUG() in notify_change. Fix reiserfs to clear those bits near the beginning of the function. Signed-off-by: Jeff Layton <jlayton@redhat.com> Cc: Chris Mason <chris.mason@oracle.com> Cc: Jeff Mahoney <jeffm@suse.com> Cc: "Vladimir V. Saveliev" <vs@namesys.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -3061,7 +3061,11 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
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{
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struct inode *inode = dentry->d_inode;
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int error;
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unsigned int ia_valid = attr->ia_valid;
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unsigned int ia_valid;
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/* must be turned off for recursive notify_change calls */
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ia_valid = attr->ia_valid &= ~(ATTR_KILL_SUID|ATTR_KILL_SGID);
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reiserfs_write_lock(inode->i_sb);
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if (attr->ia_valid & ATTR_SIZE) {
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/* version 2 items will be caught by the s_maxbytes check
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