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Commit 21cb2559 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro
Browse files

mconsole: switch to kernel_read 



Instead of playing with address limits.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 8e93157b

arch/um/drivers/mconsole_kern.c

+1 −6
Original line number Diff line number Diff line
@@ -148,12 +148,7 @@ void mconsole_proc(struct mc_request *req) 
	}



	do {

		loff_t pos = file->f_pos;

		mm_segment_t old_fs = get_fs();

		set_fs(KERNEL_DS);

		len = vfs_read(file, buf, PAGE_SIZE - 1, &pos);

		set_fs(old_fs);

		file->f_pos = pos;

		len = kernel_read(file, buf, PAGE_SIZE - 1, &file->f_pos);

		if (len < 0) {

			mconsole_reply(req, "Read of file failed", 1, 0);

			goto out_free;