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authorDmitry Torokhov <[email protected]>2020-01-10 14:56:04 -0800
committerDmitry Torokhov <[email protected]>2020-01-10 14:56:04 -0800
commit1bdd3e05a0a3b4a97ea88bc46fef8fb265c8b94c (patch)
tree2244894a9ea0c941a8f32e5f3d196b4ea0eae24b /drivers/infiniband/hw/qib/qib_sysfs.c
parent643dd7416649bea2e8c61d8fdeeefb409a0ca5eb (diff)
parentc79f46a282390e0f5b306007bf7b11a46d529538 (diff)
Merge tag 'v5.5-rc5' into next
Sync up with mainline to get SPI "delay" API changes.
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_sysfs.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_sysfs.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c
index 3926be78036e..568b21eb6ea1 100644
--- a/drivers/infiniband/hw/qib/qib_sysfs.c
+++ b/drivers/infiniband/hw/qib/qib_sysfs.c
@@ -301,6 +301,9 @@ static ssize_t qib_portattr_show(struct kobject *kobj,
struct qib_pportdata *ppd =
container_of(kobj, struct qib_pportdata, pport_kobj);
+ if (!pattr->show)
+ return -EIO;
+
return pattr->show(ppd, buf);
}
@@ -312,6 +315,9 @@ static ssize_t qib_portattr_store(struct kobject *kobj,
struct qib_pportdata *ppd =
container_of(kobj, struct qib_pportdata, pport_kobj);
+ if (!pattr->store)
+ return -EIO;
+
return pattr->store(ppd, buf, len);
}