Define sysfs max buffer size

sysfs_get_str() usages have inconsistant buffer size.
This results in wild buffer declarations and redundant memory usage.

Define maximum buffer size for sysfs strings.
Replace wild sysfs string buffer sizes for globaly defined value.

Signed-off-by: Mateusz Kusiak <mateusz.kusiak@intel.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/mdadm.h b/mdadm.h
index 8dcd8b86..46692730 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -767,6 +767,8 @@ enum sysfs_read_flags {
 	GET_DEVS_ALL	= (1 << 27),
 };
 
+#define SYSFS_MAX_BUF_SIZE 64
+
 /* If fd >= 0, get the array it is open on,
  * else use devnm.
  */