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[Qemu-stable] [PATCH] block/qapi: Fix memory leak in qmp_query_blockstat
From: |
Kevin Wolf |
Subject: |
[Qemu-stable] [PATCH] block/qapi: Fix memory leak in qmp_query_blockstats() |
Date: |
Mon, 13 Aug 2018 15:27:54 +0200 |
For BlockBackends that are skipped in query-blockstats, we would leak
info since commit 567dcb31. Allocate info only later to avoid the memory
leak.
Fixes: CID 1394727
Cc: address@hidden
Signed-off-by: Kevin Wolf <address@hidden>
---
block/qapi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/block/qapi.c b/block/qapi.c
index 339727f0f4..c66f949db8 100644
--- a/block/qapi.c
+++ b/block/qapi.c
@@ -594,7 +594,7 @@ BlockStatsList *qmp_query_blockstats(bool has_query_nodes,
}
} else {
for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) {
- BlockStatsList *info = g_malloc0(sizeof(*info));
+ BlockStatsList *info;
AioContext *ctx = blk_get_aio_context(blk);
BlockStats *s;
char *qdev;
@@ -619,6 +619,7 @@ BlockStatsList *qmp_query_blockstats(bool has_query_nodes,
bdrv_query_blk_stats(s->stats, blk);
aio_context_release(ctx);
+ info = g_malloc0(sizeof(*info));
info->value = s;
*p_next = info;
p_next = &info->next;
--
2.13.6
- [Qemu-stable] [PATCH] block/qapi: Fix memory leak in qmp_query_blockstats(),
Kevin Wolf <=