Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cbe0476f authored by Steve French's avatar Steve French Committed by Linus Torvalds
Browse files

[PATCH] cifs: fix rare oops in cifs_close 



Protect access to cifs file list in cifs_close path

Signed-off-by: default avatarSteve French <(sfrench@us.ibm.com)>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent ad009ac9

fs/cifs/CHANGES

+2 −1
Original line number Diff line number Diff line
@@ -6,7 +6,8 @@ Add support for lsattr (getting ext2/ext3/reiserfs attr flags from the server) 
as new protocol extensions. Do not send Get/Set calls for POSIX ACLs

unless server explicitly claims to support them in CIFS Unix extensions

POSIX ACL capability bit. Fix packet signing when multiuser mounting with

different users from the same client to the same server.

different users from the same client to the same server. Fix oops in

cifs_close.



Version 1.31

------------

fs/cifs/file.c

+2 −0
Original line number Diff line number Diff line
@@ -465,8 +465,10 @@ int cifs_close(struct inode *inode, struct file *file) 
				write_lock(&file->f_owner.lock);

			}

		}

		write_lock(&GlobalSMBSeslock);

		list_del(&pSMBFile->flist);

		list_del(&pSMBFile->tlist);

		write_unlock(&GlobalSMBSeslock);

		write_unlock(&file->f_owner.lock);

		kfree(pSMBFile->search_resume_name);

		kfree(file->private_data);