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Diffstat (limited to 'net/smc/smc_core.c')
-rw-r--r--net/smc/smc_core.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 387d28b2f8dd..85be94cabb01 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -1101,18 +1101,24 @@ static void smcr_buf_unuse(struct smc_buf_desc *rmb_desc,
smc_buf_free(lgr, true, rmb_desc);
} else {
rmb_desc->used = 0;
+ memset(rmb_desc->cpu_addr, 0, rmb_desc->len);
}
}
static void smc_buf_unuse(struct smc_connection *conn,
struct smc_link_group *lgr)
{
- if (conn->sndbuf_desc)
+ if (conn->sndbuf_desc) {
conn->sndbuf_desc->used = 0;
- if (conn->rmb_desc && lgr->is_smcd)
+ memset(conn->sndbuf_desc->cpu_addr, 0, conn->sndbuf_desc->len);
+ }
+ if (conn->rmb_desc && lgr->is_smcd) {
conn->rmb_desc->used = 0;
- else if (conn->rmb_desc)
+ memset(conn->rmb_desc->cpu_addr, 0, conn->rmb_desc->len +
+ sizeof(struct smcd_cdc_msg));
+ } else if (conn->rmb_desc) {
smcr_buf_unuse(conn->rmb_desc, lgr);
+ }
}
/* remove a finished connection from its link group */
@@ -2148,7 +2154,6 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb)
if (buf_desc) {
SMC_STAT_RMB_SIZE(smc, is_smcd, is_rmb, bufsize);
SMC_STAT_BUF_REUSE(smc, is_smcd, is_rmb);
- memset(buf_desc->cpu_addr, 0, bufsize);
break; /* found reusable slot */
}