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-rw-r--r--drivers/staging/android/ashmem.c38
1 files changed, 18 insertions, 20 deletions
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index 4f13907543e..740b5d215b5 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -785,11 +785,26 @@ static long ashmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return ret;
}
+static const struct file_operations ashmem_fops = {
+ .owner = THIS_MODULE,
+ .open = ashmem_open,
+ .release = ashmem_release,
+ .read = ashmem_read,
+ .llseek = ashmem_llseek,
+ .mmap = ashmem_mmap,
+ .unlocked_ioctl = ashmem_ioctl,
+ .compat_ioctl = ashmem_ioctl,
+};
+
+static struct miscdevice ashmem_misc = {
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = "ashmem",
+ .fops = &ashmem_fops,
+};
+
static int is_ashmem_file(struct file *file)
{
- char fname[256], *name;
- name = dentry_path(file->f_dentry, fname, 256);
- return strcmp(name, "/ashmem") ? 0 : 1;
+ return (file->f_op == &ashmem_fops);
}
int get_ashmem_file(int fd, struct file **filp, struct file **vm_file,
@@ -838,23 +853,6 @@ void put_ashmem_file(struct file *file)
}
EXPORT_SYMBOL(put_ashmem_file);
-static const struct file_operations ashmem_fops = {
- .owner = THIS_MODULE,
- .open = ashmem_open,
- .release = ashmem_release,
- .read = ashmem_read,
- .llseek = ashmem_llseek,
- .mmap = ashmem_mmap,
- .unlocked_ioctl = ashmem_ioctl,
- .compat_ioctl = ashmem_ioctl,
-};
-
-static struct miscdevice ashmem_misc = {
- .minor = MISC_DYNAMIC_MINOR,
- .name = "ashmem",
- .fops = &ashmem_fops,
-};
-
static int __init ashmem_init(void)
{
int ret;