This is a note to let you know that I've just added the patch titled mei: fix fasync return value on error to the 4.4-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: mei-fix-fasync-return-value-on-error.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From ed6dc538e5a36a331b6256d54f435c80f6715460 Mon Sep 17 00:00:00 2001 From: Tomas Winkler <tomas.winkler@xxxxxxxxx> Date: Thu, 7 Jan 2016 14:46:38 +0200 Subject: mei: fix fasync return value on error From: Tomas Winkler <tomas.winkler@xxxxxxxxx> commit ed6dc538e5a36a331b6256d54f435c80f6715460 upstream. fasync should return a negative value on error and not poll mask POLLERR. Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Reported-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/misc/mei/main.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -657,7 +657,9 @@ out: * @file: pointer to file structure * @band: band bitmap * - * Return: poll mask + * Return: negative on error, + * 0 if it did no changes, + * and positive a process was added or deleted */ static int mei_fasync(int fd, struct file *file, int band) { @@ -665,7 +667,7 @@ static int mei_fasync(int fd, struct fil struct mei_cl *cl = file->private_data; if (!mei_cl_is_connected(cl)) - return POLLERR; + return -ENODEV; return fasync_helper(fd, file, band, &cl->ev_async); } Patches currently in stable-queue which might be from tomas.winkler@xxxxxxxxx are queue-4.4/mei-validate-request-value-in-client-notify-request-ioctl.patch queue-4.4/mei-fix-fasync-return-value-on-error.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html