From a6920d1d130c3de039be982eba42542d329dc64c Mon Sep 17 00:00:00 2001 From: Karsten Graul Date: Thu, 3 May 2018 17:57:38 +0200 Subject: net/smc: handle unregistered buffers When smc_wr_reg_send() fails then tag (regerr) the affected buffer and free it in smc_buf_unuse(). Signed-off-by: Karsten Graul Signed-off-by: Ursula Braun Signed-off-by: David S. Miller --- net/smc/af_smc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'net/smc/af_smc.c') diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index fdb2976117bd..d03b8d29ffc0 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -296,8 +296,10 @@ static void smc_copy_sock_settings_to_smc(struct smc_sock *smc) static int smc_reg_rmb(struct smc_link *link, struct smc_buf_desc *rmb_desc) { /* register memory region for new rmb */ - if (smc_wr_reg_send(link, rmb_desc->mr_rx[SMC_SINGLE_LINK])) + if (smc_wr_reg_send(link, rmb_desc->mr_rx[SMC_SINGLE_LINK])) { + rmb_desc->regerr = 1; return -EFAULT; + } return 0; } -- cgit v1.2.3