libmultipath: zero out lines in print.c

static declaration of line within a function doesn't place them in
the bss segment, hence they are not zeroed automatically.
Gives funny effects occasionally.

Signed-off-by: Hannes Reinecke <hare@suse.de>

diff --git a/libmultipath/print.c b/libmultipath/print.c
index a2253be..986263f 100644 (file)
--- a/libmultipath/print.c
+++ b/libmultipath/print.c
@@ -1303,6 +1303,7 @@ print_path (struct path * pp, char * style)
 {
        char line[MAX_LINE_LEN];
 
+       memset(&line[0], 0, MAX_LINE_LEN);
        snprint_path(&line[0], MAX_LINE_LEN, style, pp);
        printf("%s", line);
 }
@@ -1312,6 +1313,7 @@ print_multipath (struct multipath * mpp, char * style)
 {
        char line[MAX_LINE_LEN];
 
+       memset(&line[0], 0, MAX_LINE_LEN);
        snprint_multipath(&line[0], MAX_LINE_LEN, style, mpp);
        printf("%s", line);
 }
@@ -1321,6 +1323,7 @@ print_pathgroup (struct pathgroup * pgp, char * style)
 {
        char line[MAX_LINE_LEN];
 
+       memset(&line[0], 0, MAX_LINE_LEN);
        snprint_pathgroup(&line[0], MAX_LINE_LEN, style, pgp);
        printf("%s", line);
 }