[PATCH net 1/4] afs: unmapping the wrong buffer

From: David Howells
Date: Thu Oct 13 2016 - 12:23:08 EST


From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

We switched from kmap_atomic() to kmap() so the kunmap() calls need to
be updated to match.

Fixes: d001648ec7cf ('rxrpc: Don't expose skbs to in-kernel users [ver #2]')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

fs/afs/fsclient.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 96f4d764d1a6..31c616ab9b40 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -364,7 +364,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
buffer = kmap(page);
ret = afs_extract_data(call, buffer,
call->count, true);
- kunmap(buffer);
+ kunmap(page);
if (ret < 0)
return ret;
}
@@ -397,7 +397,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
page = call->reply3;
buffer = kmap(page);
memset(buffer + call->count, 0, PAGE_SIZE - call->count);
- kunmap(buffer);
+ kunmap(page);
}

_leave(" = 0 [done]");