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Eric W. Biederman ce59791936 sysfs: Complain bitterly about attempts to remove files from nonexistent directories. ... Recently an OOPS was observed from the usb serial io_ti driver when it tried to remove sysfs directories. Upon investigation it turns out this driver was always buggy and that a recent sysfs change had stopped guarding itself against removing attributes from sysfs directories that had already been removed. :( Historically we have been silent about attempting to files from nonexistent sysfs directories and have politely returned error codes. That has resulted in people writing broken code that ignores the error codes. Issue a kernel WARNING and a stack backtrace to make it clear in no uncertain terms that abusing sysfs is not ok, and the callers need to fix their code. This change transforms the io_ti OOPS into a more comprehensible error message and stack backtrace. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Reported-by: Wolfgang Frisch <wfpub@roembden.net> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		13 years ago
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Kconfig	…
Makefile	…
bin.c	…
dir.c	…
file.c	sysfs: Complain bitterly about attempts to remove files from nonexistent directories.	13 years ago
group.c	switch ->is_visible() to returning umode_t	13 years ago
inode.c	sysfs: Complain bitterly about attempts to remove files from nonexistent directories.	13 years ago
mount.c	…
symlink.c	…
sysfs.h	sysfs: propagate umode_t	13 years ago