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authorAl Viro <viro@ZenIV.linux.org.uk>2018-02-10 01:35:16 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-09 19:28:01 -0800
commit7a501609c2cb73381e925827c504a4c2c2cb0817 (patch)
treee16eb57e0b245a7082e4ee1827fd2f9587e6e97e
parent878e66d06fd098a744b9caafdd0e99bba415ce37 (diff)
mconsole_proc(): don't mess with file->f_pos
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/um/drivers/mconsole_kern.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index c4d162a94be9..d5f9a2d1da1b 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -130,6 +130,7 @@ void mconsole_proc(struct mc_request *req)
struct file *file;
int first_chunk = 1;
char *ptr = req->request.data;
+ loff_t pos = 0;
ptr += strlen("proc");
ptr = skip_spaces(ptr);
@@ -148,7 +149,7 @@ void mconsole_proc(struct mc_request *req)
}
do {
- len = kernel_read(file, buf, PAGE_SIZE - 1, &file->f_pos);
+ len = kernel_read(file, buf, PAGE_SIZE - 1, &pos);
if (len < 0) {
mconsole_reply(req, "Read of file failed", 1, 0);
goto out_free;

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