linux/debian/patches/bugfix/all/megaraid_sas-remove-poll_mo...

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Diff

Based on:
From: Bryn M. Reeves <bmr@redhat.com>
Subject: [PATCH] [SCSI] megaraid_sas: remove sysfs poll_mode_io world writeable permissions
/sys/bus/pci/drivers/megaraid_sas/poll_mode_io defaults to being
world-writable, which seems bad (letting any user affect kernel driver
behavior).
This turns off group and user write permissions, so that on typical
production systems only root can write to it.
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -3451,7 +3451,7 @@
return retval;
}
-static DRIVER_ATTR(poll_mode_io, S_IRUGO|S_IWUGO,
+static DRIVER_ATTR(poll_mode_io, S_IRUGO|S_IWUSR,
megasas_sysfs_show_poll_mode_io,
megasas_sysfs_set_poll_mode_io);