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path: root/fs/ubifs/sysfs.c
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2021-12-24ubifs: fix snprintf() length checkDan Carpenter1-1/+1
The snprintf() function returns the number of bytes (not including the NUL terminator) which would have been printed if there were enough space. So it can be greater than UBIFS_DFS_DIR_LEN. And actually if it equals UBIFS_DFS_DIR_LEN then that's okay so this check is too strict. Fixes: 9a620291fc01 ("ubifs: Export filesystem error counters") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2021-12-23ubifs: Export filesystem error countersStefan Schaeckeler1-0/+153
Not all ubifs filesystem errors are propagated to userspace. Export bad magic, bad node and crc errors via sysfs. This allows userspace to notice filesystem errors: /sys/fs/ubifs/ubiX_Y/errors_magic /sys/fs/ubifs/ubiX_Y/errors_node /sys/fs/ubifs/ubiX_Y/errors_crc The counters are reset to 0 with a remount. Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com> Signed-off-by: Richard Weinberger <richard@nod.at>