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authorPhilipp Reisner <philipp.reisner@linbit.com>2011-01-10 11:15:17 +0100
committerPhilipp Reisner <philipp.reisner@linbit.com>2011-03-10 11:45:31 +0100
commit2b8a90b55533c66258a1ff0fb27b8cffa95665c4 (patch)
tree24e6d5816123e7912e1fe7db0261c083da8810f3 /drivers/block
parent110a204a354a5a69f99ed0bc8e6d779e6a94d410 (diff)
drbd: Corrected off-by-one error in DRBD_MINOR_COUNT_MAX
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/drbd/drbd_main.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 4074d6699307..da98bff7c333 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -85,7 +85,8 @@ MODULE_AUTHOR("Philipp Reisner <phil@linbit.com>, "
MODULE_DESCRIPTION("drbd - Distributed Replicated Block Device v" REL_VERSION);
MODULE_VERSION(REL_VERSION);
MODULE_LICENSE("GPL");
-MODULE_PARM_DESC(minor_count, "Maximum number of drbd devices (1-255)");
+MODULE_PARM_DESC(minor_count, "Maximum number of drbd devices ("
+ __stringify(DRBD_MINOR_COUNT_MIN) "-" __stringify(DRBD_MINOR_COUNT_MAX) ")");
MODULE_ALIAS_BLOCKDEV_MAJOR(DRBD_MAJOR);
#include <linux/moduleparam.h>
@@ -115,7 +116,7 @@ module_param(fault_devs, int, 0644);
#endif
/* module parameter, defined */
-unsigned int minor_count = 32;
+unsigned int minor_count = DRBD_MINOR_COUNT_DEF;
int disable_sendpage;
int allow_oos;
unsigned int cn_idx = CN_IDX_DRBD;
@@ -3456,7 +3457,7 @@ int __init drbd_init(void)
return -EINVAL;
}
- if (1 > minor_count || minor_count > 255) {
+ if (minor_count < DRBD_MINOR_COUNT_MIN || minor_count > DRBD_MINOR_COUNT_MAX) {
printk(KERN_ERR
"drbd: invalid minor_count (%d)\n", minor_count);
#ifdef MODULE