staging: android: replace explicit NULL comparison
authorIoana Ciornei <ciorneiioana@gmail.com>
Sun, 1 Nov 2015 14:38:20 +0000 (16:38 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 16 Nov 2015 04:02:47 +0000 (20:02 -0800)
This patch replaces explicit NULL comparison with !
operator in order to simplify the code

Signed-off-by: Ioana Ciornei <ciorneiioana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/android/ion/compat_ion.c
drivers/staging/android/sync.c

index a402fdaf54ca37417e5282d1bb89008190b9a73a..9a978d21785ec01012653dfe1f582014a235eb3b 100644 (file)
@@ -137,7 +137,7 @@ long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
                data32 = compat_ptr(arg);
                data = compat_alloc_user_space(sizeof(*data));
-               if (data == NULL)
+               if (!data)
                        return -EFAULT;
 
                err = compat_get_ion_allocation_data(data32, data);
@@ -156,7 +156,7 @@ long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
                data32 = compat_ptr(arg);
                data = compat_alloc_user_space(sizeof(*data));
-               if (data == NULL)
+               if (!data)
                        return -EFAULT;
 
                err = compat_get_ion_handle_data(data32, data);
@@ -173,7 +173,7 @@ long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
                data32 = compat_ptr(arg);
                data = compat_alloc_user_space(sizeof(*data));
-               if (data == NULL)
+               if (!data)
                        return -EFAULT;
 
                err = compat_get_ion_custom_data(data32, data);
index f83e00c7805130e1ab6dda8d853c2b642b8a4f92..5413f28afe8e49dabe73c36d39f6de597a3f6811 100644 (file)
@@ -43,7 +43,7 @@ struct sync_timeline *sync_timeline_create(const struct sync_timeline_ops *ops,
                return NULL;
 
        obj = kzalloc(size, GFP_KERNEL);
-       if (obj == NULL)
+       if (!obj)
                return NULL;
 
        kref_init(&obj->kref);
@@ -130,7 +130,7 @@ struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size)
                return NULL;
 
        pt = kzalloc(size, GFP_KERNEL);
-       if (pt == NULL)
+       if (!pt)
                return NULL;
 
        spin_lock_irqsave(&obj->child_list_lock, flags);
@@ -155,7 +155,7 @@ static struct sync_fence *sync_fence_alloc(int size, const char *name)
        struct sync_fence *fence;
 
        fence = kzalloc(size, GFP_KERNEL);
-       if (fence == NULL)
+       if (!fence)
                return NULL;
 
        fence->file = anon_inode_getfile("sync_fence", &sync_fence_fops,
@@ -193,7 +193,7 @@ struct sync_fence *sync_fence_create(const char *name, struct sync_pt *pt)
        struct sync_fence *fence;
 
        fence = sync_fence_alloc(offsetof(struct sync_fence, cbs[1]), name);
-       if (fence == NULL)
+       if (!fence)
                return NULL;
 
        fence->num_fences = 1;
@@ -215,7 +215,7 @@ struct sync_fence *sync_fence_fdget(int fd)
 {
        struct file *file = fget(fd);
 
-       if (file == NULL)
+       if (!file)
                return NULL;
 
        if (file->f_op != &sync_fence_fops)
@@ -262,7 +262,7 @@ struct sync_fence *sync_fence_merge(const char *name,
        unsigned long size = offsetof(struct sync_fence, cbs[num_fences]);
 
        fence = sync_fence_alloc(size, name);
-       if (fence == NULL)
+       if (!fence)
                return NULL;
 
        atomic_set(&fence->status, num_fences);
@@ -583,14 +583,14 @@ static long sync_fence_ioctl_merge(struct sync_fence *fence, unsigned long arg)
        }
 
        fence2 = sync_fence_fdget(data.fd2);
-       if (fence2 == NULL) {
+       if (!fence2) {
                err = -ENOENT;
                goto err_put_fd;
        }
 
        data.name[sizeof(data.name) - 1] = '\0';
        fence3 = sync_fence_merge(data.name, fence, fence2);
-       if (fence3 == NULL) {
+       if (!fence3) {
                err = -ENOMEM;
                goto err_put_fence2;
        }
@@ -666,7 +666,7 @@ static long sync_fence_ioctl_fence_info(struct sync_fence *fence,
                size = 4096;
 
        data = kzalloc(size, GFP_KERNEL);
-       if (data == NULL)
+       if (!data)
                return -ENOMEM;
 
        strlcpy(data->name, fence->name, sizeof(data->name));