Fix warnings on newer gcc

Signed-off-by: Jens Axboe <axboe@fb.com>

2 files changed, 3 insertions, 3 deletions

diff --git a/blkiomon.c b/blkiomon.c
index a895f65..f8b0c9d 100644
--- a/blkiomon.c
+++ b/blkiomon.c
@@ -198,7 +198,7 @@ static struct dstat *blkiomon_find_dstat(struct rb_search *search, __u32 device)
 static struct dstat *blkiomon_get_dstat(__u32 device)
 {
 	struct dstat *dstat;
-	struct rb_search search;
+	struct rb_search search = { 0, };
 
 	pthread_mutex_lock(&dstat_mutex);
 
diff --git a/btreplay/btreplay.c b/btreplay/btreplay.c
index f762279..2a1e1cc 100644
--- a/btreplay/btreplay.c
+++ b/btreplay/btreplay.c
@@ -646,7 +646,7 @@ static void find_input_devs(char *idir)
 static void read_map_devs(char *file_name)
 {
 	FILE *fp;
-	char *from_dev, *to_dev;
+	char from_dev[256], to_dev[256];
 
 	fp = fopen(file_name, "r");
 	if (!fp) {
@@ -654,7 +654,7 @@ static void read_map_devs(char *file_name)
 		/*NOTREACHED*/
 	}
 
-	while (fscanf(fp, "%as %as", &from_dev, &to_dev) == 2) {
+	while (fscanf(fp, "%s %s", from_dev, to_dev) == 2) {
 		struct map_dev *mdp = malloc(sizeof(*mdp));
 
 		mdp->from_dev = from_dev;