Staging: media: davinci_vpfe: Fix preferred form of passing a size
authorMadhumitha Prabakaran <madhumithabiw@gmail.com>
Mon, 25 Mar 2019 16:53:37 +0000 (11:53 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 25 Mar 2019 20:44:53 +0000 (05:44 +0900)
Fix preferred form of passing a size of a struct to improve readability
and eradicate an opportunity for a bug when the pointer variable type is
changed but the corresponding sizeof that is passed to a memory
allocator is not.

Signed-off-by: Madhumitha Prabakaran <madhumithabiw@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/media/davinci_vpfe/dm365_ipipe.c

index 3d910b85905ca4db91126c56c83161fa59c0dd39..30e2edc0cec560e763bd69e9ebe24788f411d540 100644 (file)
@@ -1264,8 +1264,7 @@ static int ipipe_s_config(struct v4l2_subdev *sd, struct vpfe_ipipe_config *cfg)
                module_if = &ipipe_modules[i];
                from = *(void **)((void *)cfg + module_if->config_offset);
 
-               params = kmalloc(sizeof(struct ipipe_module_params),
-                                GFP_KERNEL);
+               params = kmalloc(sizeof(*params), GFP_KERNEL);
                to = (void *)params + module_if->param_offset;
                size = module_if->param_size;
 
@@ -1306,8 +1305,7 @@ static int ipipe_g_config(struct v4l2_subdev *sd, struct vpfe_ipipe_config *cfg)
                module_if = &ipipe_modules[i];
                to = *(void **)((void *)cfg + module_if->config_offset);
 
-               params = kmalloc(sizeof(struct ipipe_module_params),
-                                GFP_KERNEL);
+               params = kmalloc(sizeof(*params), GFP_KERNEL);
                from = (void *)params + module_if->param_offset;
                size = module_if->param_size;