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[2/4] sm501: Drop unneded variable

Message ID 7a818701887a77af17995aa062b37f92ffc3d2eb.1591471056.git.balaton@eik.bme.hu
State New
Headers show
Series More sm501 fixes and optimisations | expand

Commit Message

BALATON Zoltan June 6, 2020, 7:17 p.m. UTC 
We don't need a separate variable to keep track if we allocated memory
that needs to be freed as we can test the pointer itself.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
---
 hw/display/sm501.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Comments

Peter Maydell June 15, 2020, 2:50 p.m. UTC | #1 
On Sat, 6 Jun 2020 at 20:22, BALATON Zoltan <balaton@eik.bme.hu> wrote:
>
> We don't need a separate variable to keep track if we allocated memory
> that needs to be freed as we can test the pointer itself.
>
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
> ---
>  hw/display/sm501.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM
diff mbox series

Patch

diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index 5ae320ddc3..85d54b598f 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -796,13 +796,12 @@  static void sm501_2d_operation(SM501State *s)
             de = db + width + height * (width + dst_pitch);
             if (rtl && ((db >= sb && db <= se) || (de >= sb && de <= se))) {
                 /* regions may overlap: copy via temporary */
-                int free_buf = 0, llb = width * (1 << format);
+                int llb = width * (1 << format);
                 int tmp_stride = DIV_ROUND_UP(llb, sizeof(uint32_t));
                 uint32_t *tmp = tmp_buf;
 
                 if (tmp_stride * sizeof(uint32_t) * height > sizeof(tmp_buf)) {
                     tmp = g_malloc(tmp_stride * sizeof(uint32_t) * height);
-                    free_buf = 1;
                 }
                 pixman_blt((uint32_t *)&s->local_mem[src_base], tmp,
                            src_pitch * (1 << format) / sizeof(uint32_t),
@@ -813,7 +812,7 @@  static void sm501_2d_operation(SM501State *s)
                            dst_pitch * (1 << format) / sizeof(uint32_t),
                            8 * (1 << format), 8 * (1 << format),
                            0, 0, dst_x, dst_y, width, height);
-                if (free_buf) {
+                if (tmp != tmp_buf) {
                     g_free(tmp);
                 }
             } else {