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authorDavid Howells <dhowells@redhat.com>2024-03-13 02:37:18 +0300
committerPaolo Abeni <pabeni@redhat.com>2024-03-14 15:09:53 +0300
commit89e4354110ca64bf4949cca83b55149bc80733bc (patch)
tree6a9e4f74e7e9eb3d454c285e7fcf4b0581159680 /net
parent6b2536462fd48b49563aef0555517cb91047c5f5 (diff)
downloadlinux-89e4354110ca64bf4949cca83b55149bc80733bc.tar.xz
rxrpc: Fix error check on ->alloc_txbuf()
rxrpc_alloc_*_txbuf() and ->alloc_txbuf() return NULL to indicate no memory, but rxrpc_send_data() uses IS_ERR(). Fix rxrpc_send_data() to check for NULL only and set -ENOMEM if it sees that. Fixes: 49489bb03a50 ("rxrpc: Do zerocopy using MSG_SPLICE_PAGES and page frags") Signed-off-by: David Howells <dhowells@redhat.com> Reported-by: Marc Dionne <marc.dionne@auristor.com> cc: "David S. Miller" <davem@davemloft.net> cc: Eric Dumazet <edumazet@google.com> cc: Jakub Kicinski <kuba@kernel.org> cc: Paolo Abeni <pabeni@redhat.com> cc: linux-afs@lists.infradead.org cc: netdev@vger.kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net')
-rw-r--r--net/rxrpc/sendmsg.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 6f765768c49c..894b8fa68e5e 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -349,8 +349,8 @@ reload:
*/
remain = more ? INT_MAX : msg_data_left(msg);
txb = call->conn->security->alloc_txbuf(call, remain, sk->sk_allocation);
- if (IS_ERR(txb)) {
- ret = PTR_ERR(txb);
+ if (!txb) {
+ ret = -ENOMEM;
goto maybe_error;
}
}