This is a note to let you know that I've just added the patch titled cifs: Fix crash on unload of cifs_arc4.ko to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: cifs-fix-crash-on-unload-of-cifs_arc4.ko.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 51a08bdeca27988a17c87b87d8e64ffecbd2a172 Mon Sep 17 00:00:00 2001 From: Vincent Whitchurch <vincent.whitchurch@xxxxxxxx> Date: Tue, 7 Dec 2021 12:54:19 +0100 Subject: cifs: Fix crash on unload of cifs_arc4.ko From: Vincent Whitchurch <vincent.whitchurch@xxxxxxxx> commit 51a08bdeca27988a17c87b87d8e64ffecbd2a172 upstream. The exit function is wrongly placed in the __init section and this leads to a crash when the module is unloaded. Just remove both the init and exit functions since this module does not need them. Fixes: 71c02863246167b3d ("cifs: fork arc4 and create a separate module...") Signed-off-by: Vincent Whitchurch <vincent.whitchurch@xxxxxxxx> Acked-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx> Acked-by: Paulo Alcantara (SUSE) <pc@xxxxxx> Cc: stable@xxxxxxxxxxxxxxx # 5.15 Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/smbfs_common/cifs_arc4.c | 13 ------------- 1 file changed, 13 deletions(-) --- a/fs/smbfs_common/cifs_arc4.c +++ b/fs/smbfs_common/cifs_arc4.c @@ -72,16 +72,3 @@ void cifs_arc4_crypt(struct arc4_ctx *ct ctx->y = y; } EXPORT_SYMBOL_GPL(cifs_arc4_crypt); - -static int __init -init_smbfs_common(void) -{ - return 0; -} -static void __init -exit_smbfs_common(void) -{ -} - -module_init(init_smbfs_common) -module_exit(exit_smbfs_common) Patches currently in stable-queue which might be from vincent.whitchurch@xxxxxxxx are queue-5.15/cifs-fix-crash-on-unload-of-cifs_arc4.ko.patch