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authorAkinobu Mita <akinobu.mita@gmail.com>2007-05-09 02:33:32 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-09 12:30:49 -0700
commit92f4c701aad794de9e4cf7341d0a486aed027c46 (patch)
tree59a47427d43670a50409fc91d68a325e7cfa0ab7 /fs/binfmt_misc.c
parent884c3d751093446918c2f7a4b2c745f28cf91c39 (diff)
use simple_read_from_buffer() in fs/
Cleanup using simple_read_from_buffer() in binfmt_misc, configfs, and sysfs. Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Joel Becker <joel.becker@oracle.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/binfmt_misc.c')
-rw-r--r--fs/binfmt_misc.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 18657f001b4..72d0b412c37 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -675,19 +675,8 @@ static ssize_t
bm_status_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
{
char *s = enabled ? "enabled" : "disabled";
- int len = strlen(s);
- loff_t pos = *ppos;
- if (pos < 0)
- return -EINVAL;
- if (pos >= len)
- return 0;
- if (len < pos + nbytes)
- nbytes = len - pos;
- if (copy_to_user(buf, s + pos, nbytes))
- return -EFAULT;
- *ppos = pos + nbytes;
- return nbytes;
+ return simple_read_from_buffer(buf, nbytes, ppos, s, strlen(s));
}
static ssize_t bm_status_write(struct file * file, const char __user * buffer,