From 21cb2559eb510dfbe9b5d0dd31605f44d2cd2891 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 1 Sep 2017 17:39:20 +0200 Subject: mconsole: switch to kernel_read Instead of playing with address limits. Signed-off-by: Christoph Hellwig Signed-off-by: Al Viro --- arch/um/drivers/mconsole_kern.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'arch/um') diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index af326fb6510d..c4d162a94be9 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -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; -- cgit