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authorChristoph Hellwig <hch@lst.de>2017-09-01 17:39:14 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2017-09-04 19:05:15 -0400
commite13ec939e96b13e664bb6cee361cc976a0ee621a (patch)
tree9537ad39e7cc842c1f6d756aba43b1f753be9eaa /fs/read_write.c
parentbdd1d2d3d251c65b74ac4493e08db18971c09240 (diff)
downloadlwn-e13ec939e96b13e664bb6cee361cc976a0ee621a.tar.gz
lwn-e13ec939e96b13e664bb6cee361cc976a0ee621a.zip
fs: fix kernel_write prototype
Make the position an in/out argument like all the other read/write helpers and and make the buf argument a void pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/read_write.c')
-rw-r--r--fs/read_write.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index 9cf1de855b7a..9f3aeb101d73 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -512,8 +512,8 @@ ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t
}
EXPORT_SYMBOL(__kernel_write);
-ssize_t kernel_write(struct file *file, const char *buf, size_t count,
- loff_t pos)
+ssize_t kernel_write(struct file *file, const void *buf, size_t count,
+ loff_t *pos)
{
mm_segment_t old_fs;
ssize_t res;
@@ -521,7 +521,7 @@ ssize_t kernel_write(struct file *file, const char *buf, size_t count,
old_fs = get_fs();
set_fs(get_ds());
/* The cast to a user pointer is valid due to the set_fs() */
- res = vfs_write(file, (__force const char __user *)buf, count, &pos);
+ res = vfs_write(file, (__force const char __user *)buf, count, pos);
set_fs(old_fs);
return res;