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Commit 317d5a5f authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro
Browse files

autofs4: switch autofs4_write to __kernel_write 



Instead of playing games with the address limit..

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 8a2af064

fs/autofs4/waitq.c

+1 −8
Original line number Diff line number Diff line
@@ -56,19 +56,14 @@ static int autofs4_write(struct autofs_sb_info *sbi, 
			 struct file *file, const void *addr, int bytes)

{

	unsigned long sigpipe, flags;

	mm_segment_t fs;

	const char *data = (const char *)addr;

	ssize_t wr = 0;



	sigpipe = sigismember(&current->pending.signal, SIGPIPE);



	/* Save pointer to user space and point back to kernel space */

	fs = get_fs();

	set_fs(KERNEL_DS);



	mutex_lock(&sbi->pipe_mutex);

	while (bytes) {

		wr = __vfs_write(file, data, bytes, &file->f_pos);

		wr = __kernel_write(file, data, bytes, &file->f_pos);

		if (wr <= 0)

			break;

		data += wr;
@@ -76,8 +71,6 @@ static int autofs4_write(struct autofs_sb_info *sbi, 
	}

	mutex_unlock(&sbi->pipe_mutex);



	set_fs(fs);



	/* Keep the currently executing process from receiving a

	 * SIGPIPE unless it was already supposed to get one

	 */