linux/fs/debugfs
Dietmar Eggemann f501b6a231 debugfs: Fix debugfs_read_file_str()
Read the entire size of the buffer, including the trailing new line
character.
Discovered while reading the sched domain names of CPU0:

before:

cat /sys/kernel/debug/sched/domains/cpu0/domain*/name
SMTMCDIE

after:

cat /sys/kernel/debug/sched/domains/cpu0/domain*/name
SMT
MC
DIE

Fixes: 9af0440ec8 ("debugfs: Implement debugfs_create_str()")
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Link: https://lore.kernel.org/r/20210527091105.258457-1-dietmar.eggemann@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 15:01:08 +02:00
..
file.c debugfs: Fix debugfs_read_file_str() 2021-06-04 15:01:08 +02:00
inode.c debugfs: fix security_locked_down() call for SELinux 2021-05-18 18:05:59 +02:00
internal.h debugfs: Add access restriction option 2020-07-23 17:10:25 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00