The patch that repaired the invalid return code in smcd_new_buf_create()
missed to take care of errno ENOSPC which has a special meaning that no
more DMBEs can be registered on the device. Fix that by keeping this
errno value during the translation of the return code.
Fixes: 6b1bbf94ab36 ("net/smc: fix invalid return code in smcd_new_buf_create()")
Signed-off-by: Karsten Graul <kgraul@xxxxxxxxxxxxx>
---
net/smc/smc_core.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index d790c43c473f..2b19863f7171 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -1615,8 +1615,11 @@ static struct smc_buf_desc *smcd_new_buf_create(struct smc_link_group *lgr,
rc = smc_ism_register_dmb(lgr, bufsize, buf_desc);
if (rc) {
kfree(buf_desc);
- return (rc == -ENOMEM) ? ERR_PTR(-EAGAIN) :
- ERR_PTR(-EIO);
+ if (rc == -ENOMEM)
+ return ERR_PTR(-EAGAIN);
+ if (rc == -ENOSPC)
+ return ERR_PTR(-ENOSPC);
+ return ERR_PTR(-EIO);
}
buf_desc->pages = virt_to_page(buf_desc->cpu_addr);
/* CDC header stored in buf. So, pretend it was smaller */
--
2.17.1
