switch coda get_device_index() to fget_light() (78f7d75e) · Commits · 戴 / test

fs/coda/inode.c

+15 −17

Original line number	Diff line number	Diff line
		@@ -109,7 +109,7 @@ static int get_device_index(struct coda_mount_data *data)
		{
		struct file *file;
		struct inode *inode;
		int idx;
		int idx, fput_needed;

		if (data == NULL) {
		printk("coda_read_super: Bad mount data\n");
		@@ -121,22 +121,17 @@ static int get_device_index(struct coda_mount_data *data)
		return -1;
		}

		file = fget(data->fd);
		inode = NULL;
		if(file)
		file = fget_light(data->fd, &fput_needed);
		if (!file)
		goto Ebadf;
		inode = file->f_path.dentry->d_inode;

		if(!inode \|\| !S_ISCHR(inode->i_mode) \|\|
		imajor(inode) != CODA_PSDEV_MAJOR) {
		if(file)
		fput(file);

		printk("coda_read_super: Bad file\n");
		return -1;
		if (!S_ISCHR(inode->i_mode) \|\| imajor(inode) != CODA_PSDEV_MAJOR) {
		fput_light(file, fput_needed);
		goto Ebadf;
		}

		idx = iminor(inode);
		fput(file);
		fput_light(file, fput_needed);

		if (idx < 0 \|\| idx >= MAX_CODADEVS) {
		printk("coda_read_super: Bad minor number\n");
		@@ -144,6 +139,9 @@ static int get_device_index(struct coda_mount_data *data)
		}

		return idx;
		Ebadf:
		printk("coda_read_super: Bad file\n");
		return -1;
		}

		static int coda_fill_super(struct super_block sb, void data, int silent)