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authorTrond Myklebust <trond.myklebust@hammerspace.com>2022-04-07 14:10:23 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2022-04-07 16:20:01 -0400
commitb056fa070814897be32d83b079dbc311375588e7 (patch)
treee5d1bad92b8c8dbc1510472727173667c11bb1dc /net
parent25cf32ad5dba79385f6e7de9008dcb75556c42d2 (diff)
downloadlinux-b056fa070814897be32d83b079dbc311375588e7.tar.bz2
SUNRPC: svc_tcp_sendmsg() should handle errors from xdr_alloc_bvec()
The allocation is done with GFP_KERNEL, but it could still fail in a low memory situation. Fixes: 4a85a6a3320b ("SUNRPC: Handle TCP socket sends with kernel_sendpage() again") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/svcsock.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 478f857cdaed..6ea3d87e1147 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1096,7 +1096,9 @@ static int svc_tcp_sendmsg(struct socket *sock, struct xdr_buf *xdr,
int ret;
*sentp = 0;
- xdr_alloc_bvec(xdr, GFP_KERNEL);
+ ret = xdr_alloc_bvec(xdr, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
ret = kernel_sendmsg(sock, &msg, &rm, 1, rm.iov_len);
if (ret < 0)