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um: fix ubd_file_size for read-only files
author
Martin Pärtel
<martin.partel@gmail.com>
Wed, 1 Aug 2012 22:44:22 +0000
(
00:44
+0200)
committer
Richard Weinberger
<richard@nod.at>
Wed, 1 Aug 2012 22:44:49 +0000
(
00:44
+0200)
Made ubd_file_size not request write access. Fixes use of read-only images.
Signed-off-by: Martin Pärtel <martin.partel@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
arch/um/drivers/ubd_kern.c
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diff --git
a/arch/um/drivers/ubd_kern.c
b/arch/um/drivers/ubd_kern.c
index
20505ca
..
0643e5b
100644
(file)
--- a/
arch/um/drivers/ubd_kern.c
+++ b/
arch/um/drivers/ubd_kern.c
@@
-514,7
+514,7
@@
static inline int ubd_file_size(struct ubd *ubd_dev, __u64 *size_out)
goto out;
}
- fd = os_open_file(ubd_dev->file,
global_openflags
, 0);
+ fd = os_open_file(ubd_dev->file,
of_read(OPENFLAGS())
, 0);
if (fd < 0)
return fd;