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[PATCH-for-5.2,v3] hw/rx/rx-gdbsim: Fix memory leak

Message ID 20201102104542.2064745-1-f4bug@amsat.org
State New
Headers show
Series [PATCH-for-5.2,v3] hw/rx/rx-gdbsim: Fix memory leak | expand

Commit Message

Philippe Mathieu-Daudé Nov. 2, 2020, 10:45 a.m. UTC
As load_device_tree() returns allocated memory,
we need to free it.

Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Fixes: bda19d7bb56 ("hw/rx: Add RX GDB simulator")
Reported-by: Coverity (CID 1432307: RESOURCE_LEAK)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
v3: Directly initialize the variable on declaration (Richard)
---
 hw/rx/rx-gdbsim.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Philippe Mathieu-Daudé Nov. 8, 2020, 11:54 p.m. UTC | #1
On 11/2/20 11:45 AM, Philippe Mathieu-Daudé wrote:
> As load_device_tree() returns allocated memory,

> we need to free it.

> 

> Cc: Yoshinori Sato <ysato@users.sourceforge.jp>

> Fixes: bda19d7bb56 ("hw/rx: Add RX GDB simulator")

> Reported-by: Coverity (CID 1432307: RESOURCE_LEAK)

> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

> ---

> v3: Directly initialize the variable on declaration (Richard)

> ---

>  hw/rx/rx-gdbsim.c | 3 +--

>  1 file changed, 1 insertion(+), 2 deletions(-)


Thanks, applied to renesas-fixes.
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Patch

diff --git a/hw/rx/rx-gdbsim.c b/hw/rx/rx-gdbsim.c
index 417ec0564b3..285549c79b5 100644
--- a/hw/rx/rx-gdbsim.c
+++ b/hw/rx/rx-gdbsim.c
@@ -122,9 +122,8 @@  static void rx_gdbsim_init(MachineState *machine)
         if (dtb_filename) {
             ram_addr_t dtb_offset;
             int dtb_size;
-            void *dtb;
+            g_autofree void *dtb = load_device_tree(dtb_filename, &dtb_size);
 
-            dtb = load_device_tree(dtb_filename, &dtb_size);
             if (dtb == NULL) {
                 error_report("Couldn't open dtb file %s", dtb_filename);
                 exit(1);