[waffle] [PATCH 06/13] all: remove 'self' NULL check from *_context_destroy()

[Emil Velikov]

From: Emil Velikov <emil.velikov at collabora.com>

Analogous to previous commit

Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
---
 src/waffle/cgl/cgl_context.m   |  7 ++-----
 src/waffle/egl/wegl_context.c  | 23 ++++++++++-------------
 src/waffle/glx/glx_context.c   | 17 +++++------------
 src/waffle/nacl/nacl_context.c | 11 +++--------
 src/waffle/wgl/wgl_context.c   |  7 ++-----
 5 files changed, 22 insertions(+), 43 deletions(-)

diff --git a/src/waffle/cgl/cgl_context.m b/src/waffle/cgl/cgl_context.m
index 7786113..5d3f575 100644
--- a/src/waffle/cgl/cgl_context.m
+++ b/src/waffle/cgl/cgl_context.m
@@ -36,13 +36,10 @@ bool
 cgl_context_destroy(struct wcore_context *wc_self)
 {
     struct cgl_context *self = cgl_context(wc_self);
-    bool ok = true;
-
-    if (!self)
-        return ok;
+    bool ok;
 
     [self->ns release];
-    ok &= wcore_context_teardown(wc_self);
+    ok = wcore_context_teardown(wc_self);
     free(self);
     return ok;
 }
diff --git a/src/waffle/egl/wegl_context.c b/src/waffle/egl/wegl_context.c
index 41334eb..7f12b3a 100644
--- a/src/waffle/egl/wegl_context.c
+++ b/src/waffle/egl/wegl_context.c
@@ -214,23 +214,20 @@ fail:
 bool
 wegl_context_destroy(struct wcore_context *wc_ctx)
 {
+    struct wegl_context *ctx = wegl_context(wc_ctx);
     bool result = true;
 
-    if (wc_ctx) {
-        struct wegl_context *ctx = wegl_context(wc_ctx);
+    if (ctx->egl != EGL_NO_CONTEXT) {
+        struct wegl_display *dpy = wegl_display(ctx->wcore.display);
+        struct wegl_platform *plat = wegl_platform(dpy->wcore.platform);
 
-        if (ctx && ctx->egl != EGL_NO_CONTEXT) {
-            struct wegl_display *dpy = wegl_display(ctx->wcore.display);
-            struct wegl_platform *plat = wegl_platform(dpy->wcore.platform);
-
-            if (!plat->eglDestroyContext(dpy->egl, ctx->egl)) {
-                wegl_emit_error(plat, "eglDestroyContext");
-                result = false;
-            }
+        if (!plat->eglDestroyContext(dpy->egl, ctx->egl)) {
+            wegl_emit_error(plat, "eglDestroyContext");
+            result = false;
         }
-
-        result &= wcore_context_teardown(&ctx->wcore);
-        free(ctx);
     }
+
+    result &= wcore_context_teardown(&ctx->wcore);
+    free(ctx);
     return result;
 }
diff --git a/src/waffle/glx/glx_context.c b/src/waffle/glx/glx_context.c
index a553a6b..87adc28 100644
--- a/src/waffle/glx/glx_context.c
+++ b/src/waffle/glx/glx_context.c
@@ -51,22 +51,15 @@
 bool
 glx_context_destroy(struct wcore_context *wc_self)
 {
-    struct glx_context *self;
-    struct glx_display *dpy;
-    struct glx_platform *platform;
-    bool ok = true;
-
-    if (!wc_self)
-        return ok;
-
-    self = glx_context(wc_self);
-    dpy = glx_display(wc_self->display);
-    platform = glx_platform(wc_self->display->platform);
+    struct glx_context *self = glx_context(wc_self);
+    struct glx_display *dpy = glx_display(wc_self->display);
+    struct glx_platform *platform = glx_platform(wc_self->display->platform);
+    bool ok;
 
     if (self->glx)
         wrapped_glXDestroyContext(platform, dpy->x11.xlib, self->glx);
 
-    ok &= wcore_context_teardown(wc_self);
+    ok = wcore_context_teardown(wc_self);
     free(self);
     return ok;
 }
diff --git a/src/waffle/nacl/nacl_context.c b/src/waffle/nacl/nacl_context.c
index 52015c2..eba3213 100644
--- a/src/waffle/nacl/nacl_context.c
+++ b/src/waffle/nacl/nacl_context.c
@@ -32,17 +32,12 @@ bool
 nacl_context_destroy(struct wcore_context *wc_self)
 {
     struct nacl_context *self = nacl_context(wc_self);
-    struct nacl_platform *plat;
-    bool ok = true;
-
-    if (!wc_self)
-        return ok;
-
-    plat = nacl_platform(wc_self->display->platform);
+    struct nacl_platform *plat = nacl_platform(wc_self->display->platform);
+    bool ok;
 
     nacl_container_context_fini(plat->nacl);
 
-    ok &= wcore_context_teardown(wc_self);
+    ok = wcore_context_teardown(wc_self);
     free(self);
     return ok;
 }
diff --git a/src/waffle/wgl/wgl_context.c b/src/waffle/wgl/wgl_context.c
index 9b732ab..c1ac7d8 100644
--- a/src/waffle/wgl/wgl_context.c
+++ b/src/waffle/wgl/wgl_context.c
@@ -39,15 +39,12 @@ bool
 wgl_context_destroy(struct wcore_context *wc_self)
 {
     struct wgl_context *self = wgl_context(wc_self);
-    bool ok = true;
-
-    if (!self)
-        return true;
+    bool ok;
 
     if (self->hglrc)
         ok &= wglDeleteContext(self->hglrc);
 
-    ok &= wcore_context_teardown(wc_self);
+    ok = wcore_context_teardown(wc_self);
     free(self);
     return ok;
 }
-- 
2.6.2