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-rw-r--r--net/smc/smc_core.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index ea41f224f644..e6ee797640b4 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -2239,7 +2239,7 @@ out:
static int smcr_buf_map_usable_links(struct smc_link_group *lgr,
struct smc_buf_desc *buf_desc, bool is_rmb)
{
- int i, rc = 0;
+ int i, rc = 0, cnt = 0;
/* protect against parallel link reconfiguration */
mutex_lock(&lgr->llc_conf_mutex);
@@ -2252,9 +2252,12 @@ static int smcr_buf_map_usable_links(struct smc_link_group *lgr,
rc = -ENOMEM;
goto out;
}
+ cnt++;
}
out:
mutex_unlock(&lgr->llc_conf_mutex);
+ if (!rc && !cnt)
+ rc = -EINVAL;
return rc;
}