From: Joe Malicki Date: Thu, 14 Aug 2008 21:14:48 +0000 (-0400) Subject: [SCSI] megaraid_sas: remove sysfs dbg_lvl world writeable permissions X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=66dca9b8c50b5e59d3bea8b21cee5c6dae6c9c46;p=deliverable%2Flinux.git [SCSI] megaraid_sas: remove sysfs dbg_lvl world writeable permissions /sys/bus/pci/drivers/megaraid_sas/dbg_lvl defaults to being world-writable, which seems bad (letting any user affect kernel driver behavior and logging level). This turns off group and user write permissions, so that on typical production systems only root can write to it. [jejb: fix up rejections] Signed-off-by: Joseph Malicki Acked-by: "Yang, Bo" Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 870dc1c6302f..97b763378e7d 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -3405,7 +3405,7 @@ megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf, size_t coun return retval; } -static DRIVER_ATTR(dbg_lvl, S_IRUGO|S_IWUGO, megasas_sysfs_show_dbg_lvl, +static DRIVER_ATTR(dbg_lvl, S_IRUGO|S_IWUSR, megasas_sysfs_show_dbg_lvl, megasas_sysfs_set_dbg_lvl); static ssize_t