[dm-devel] [PATCH v4 17/19] multipathd: fix memory leak on error in configure
Benjamin Marzinski
bmarzins at redhat.com
Tue Oct 9 23:03:14 UTC 2018
If configure fails after allocing mpvec, it must free it. Found by
coverity.
Reviewed-by: Martin Wilck <mwilck at suse.com>
Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
---
multipathd/main.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/multipathd/main.c b/multipathd/main.c
index 463b1b8..04dce04 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -2278,7 +2278,7 @@ configure (struct vectors * vecs)
ret = path_discovery(vecs->pathvec, DI_ALL);
if (ret < 0) {
condlog(0, "configure failed at path discovery");
- return 1;
+ goto fail;
}
vector_foreach_slot (vecs->pathvec, pp, i){
@@ -2295,7 +2295,7 @@ configure (struct vectors * vecs)
}
if (map_discovery(vecs)) {
condlog(0, "configure failed at map discovery");
- return 1;
+ goto fail;
}
/*
@@ -2309,7 +2309,7 @@ configure (struct vectors * vecs)
force_reload = FORCE_RELOAD_YES;
if (ret) {
condlog(0, "configure failed while coalescing paths");
- return 1;
+ goto fail;
}
/*
@@ -2318,7 +2318,7 @@ configure (struct vectors * vecs)
*/
if (coalesce_maps(vecs, mpvec)) {
condlog(0, "configure failed while coalescing maps");
- return 1;
+ goto fail;
}
dm_lib_release();
@@ -2354,6 +2354,10 @@ configure (struct vectors * vecs)
i--;
}
return 0;
+
+fail:
+ vector_free(mpvec);
+ return 1;
}
int
--
2.7.4
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