From b5397a142d3ac35daeb526b1df82ccbf64bff741 Mon Sep 17 00:00:00 2001 From: Daniel Danzberger Date: Tue, 4 May 2021 15:23:11 +0200 Subject: fstools: block: fix segfault on mount with no target When a UCI fstab mount config doesn't contain a target option, a 'block mount' call segfaults when comparing a mount's target (NULL) to a found mount point returned by find_mount_point() Signed-off-by: Daniel Danzberger Acked-by: Paul Spooren --- block.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block.c b/block.c index f094216..c6d93d1 100644 --- a/block.c +++ b/block.c @@ -1021,7 +1021,7 @@ static int mount_device(struct probe_info *pr, int type) mp = find_mount_point(pr->dev); if (mp) { - if (m && m->type == TYPE_MOUNT && strcmp(m->target, mp)) { + if (m && m->type == TYPE_MOUNT && m->target && strcmp(m->target, mp)) { ULOG_ERR("%s is already mounted on %s\n", pr->dev, mp); err = -1; } else -- cgit v1.2.1