From: Spencer Oliver <spen@spen-soft.co.uk>
Date: Wed, 5 Jun 2013 19:19:11 +0000 (+0100)
Subject: cortex_a: remove memory leak on failure
X-Git-Tag: v0.8.0-rc1~404
X-Git-Url: https://repo.or.cz/w/openocd.git/commitdiff_plain/3a8a6e5c3e43bbe543bc7a0a7503173e4eadf2bc

cortex_a: remove memory leak on failure

If mem_ap_sel_write_atomic_u32 fails then tmp_buff may not be released.
Detected by clang.

Change-Id: I3d5416bd47d0eea61f61ec02ac5e43c82f114108
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1433
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
---

diff --git a/src/target/cortex_a.c b/src/target/cortex_a.c
index 1bd473c7c..969158077 100644
--- a/src/target/cortex_a.c
+++ b/src/target/cortex_a.c
@@ -1978,7 +1978,7 @@ static int cortex_a8_read_apb_ab_memory(struct target *target,
 	retval =
 		mem_ap_sel_write_atomic_u32(swjdp, armv7a->debug_ap, armv7a->debug_base + CPUDBG_DRCR, 1<<2);
 	if (retval != ERROR_OK)
-		return retval;
+		goto error_free_buff_r;
 
 	/* Read DSCR */
 	retval = mem_ap_sel_read_atomic_u32(swjdp, armv7a->debug_ap,