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From 69aaf3c41923fafd9616b1bbec51fa6bcb23b886 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Sat, 7 Mar 2015 15:05:50 -0500
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Subject: [PATCH] bus: fix leak in error path
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CID #1271349.
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Cherry-picked from: bcf88fc3f14867f1cabc911c27b661d738281df0
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Related: #1331667
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---
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src/libsystemd/sd-bus/bus-message.c | 9 ++++-----
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1 file changed, 4 insertions(+), 5 deletions(-)
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diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
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index 2959303..c8402a2 100644
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--- a/src/libsystemd/sd-bus/bus-message.c
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+++ b/src/libsystemd/sd-bus/bus-message.c
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@@ -441,7 +441,7 @@ int bus_message_from_header(
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size_t extra,
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sd_bus_message **ret) {
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- sd_bus_message *m;
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+ _cleanup_free_ sd_bus_message *m = NULL;
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struct bus_header *h;
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size_t a, label_sz;
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@@ -460,15 +460,13 @@ int bus_message_from_header(
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return -EBADMSG;
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h = header;
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- if (h->version != 1 &&
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- h->version != 2)
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+ if (!IN_SET(h->version, 1, 2))
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return -EBADMSG;
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if (h->type == _SD_BUS_MESSAGE_TYPE_INVALID)
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return -EBADMSG;
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- if (h->endian != BUS_LITTLE_ENDIAN &&
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- h->endian != BUS_BIG_ENDIAN)
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+ if (!IN_SET(h->endian, BUS_LITTLE_ENDIAN, BUS_BIG_ENDIAN))
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return -EBADMSG;
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/* Note that we are happy with unknown flags in the flags header! */
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@@ -557,6 +555,7 @@ int bus_message_from_header(
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m->bus = sd_bus_ref(bus);
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*ret = m;
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+ m = NULL;
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return 0;
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}
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