mesa: Fix double-lock of Shared->FrameBuffers and usage of wrong mutex

Fixes: 7534c536ca0f4b2b123200f421460094034f37a3
Fixes: 8cfb3e4ee57070ff45e7534a986a20c5fd649dc7
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3024
Signed-off-by: Danylo Piliaiev <danylo.piliaiev@globallogic.com>
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5160>

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 3d35b9bdc3373cb13b342fbdc8561e1a3312a333..298a6b35d0a0b66b2b03b4148611cec629c98a31 100644 (file)
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -174,21 +174,16 @@ _mesa_lookup_framebuffer_dsa(struct gl_context *ctx, GLuint id,
    /* Name exists but buffer is not initialized */
    if (fb == &DummyFramebuffer) {
       fb = ctx->Driver.NewFramebuffer(ctx, id);
-      _mesa_HashLockMutex(ctx->Shared->FrameBuffers);
       _mesa_HashInsert(ctx->Shared->FrameBuffers, id, fb);
-      _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
    }
    /* Name doesn't exist */
    else if (!fb) {
-      _mesa_HashLockMutex(ctx->Shared->FrameBuffers);
       fb = ctx->Driver.NewFramebuffer(ctx, id);
       if (!fb) {
-         _mesa_HashUnlockMutex(ctx->Shared->FrameBuffers);
          _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
          return NULL;
       }
-      _mesa_HashInsertLocked(ctx->Shared->BufferObjects, id, fb);
-      _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
+      _mesa_HashInsert(ctx->Shared->FrameBuffers, id, fb);
    }
    return fb;
 }
@@ -4764,9 +4759,7 @@ lookup_named_framebuffer_ext_dsa(struct gl_context *ctx, GLuint framebuffer, con
       /* Then, make sure it's initialized */
       if (fb == &DummyFramebuffer) {
          fb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
-         _mesa_HashLockMutex(ctx->Shared->FrameBuffers);
          _mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, fb);
-         _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
       }
    }
    else