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authorDavid Howells <dhowells@redhat.com>2017-03-16 16:27:48 +0000
committerDavid Howells <dhowells@redhat.com>2017-03-16 16:29:30 +0000
commit445783d0ec173a52bef2e9b129de7d716a19b9fa (patch)
treedaacf4666380115025fd3f6168d43de834d43b2b /fs/afs
parent7286a35e893176169b09715096a4aca557e2ccd2 (diff)
afs: Fix an off-by-one error in afs_send_pages()
afs_send_pages() should only put the call into the AFS_CALL_AWAIT_REPLY state if it has sent all the pages - but the check it makes is incorrect and sometimes it will finish the loop early. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs')
-rw-r--r--fs/afs/rxrpc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 22d26b369070..b12da6aa5412 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -315,7 +315,7 @@ static int afs_send_pages(struct afs_call *call, struct msghdr *msg)
* packet as RxRPC might give us the reply before it
* returns from sending the request.
*/
- if (first + nr >= last)
+ if (first + nr - 1 >= last)
call->state = AFS_CALL_AWAIT_REPLY;
ret = rxrpc_kernel_send_data(afs_socket, call->rxcall,
msg, bytes);