[PATCH AUTOSEL 5.19 33/64] habanalabs: add terminating NULL to attrs arrays

Sasha Levin
2022-08-14T15:30:55Z

From: Dafna Hirschfeld <dhirschfeld@habana.ai>

[ Upstream commit 78d503087be190eab36290644ccec050135e7c70 ]

Arrays of struct attribute are expected to be NULL terminated.
This is required by API methods such as device_add_groups.
This fixes a crash when loading the driver for Goya device.

Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/misc/habanalabs/common/sysfs.c | 2 ++
drivers/misc/habanalabs/gaudi/gaudi.c | 1 +
drivers/misc/habanalabs/goya/goya_hwmgr.c | 2 ++
3 files changed, 5 insertions(+)

diff --git a/drivers/misc/habanalabs/common/sysfs.c b/drivers/misc/habanalabs/common/sysfs.c
index 9ebeb18ab85e..da8181068895 100644
--- a/drivers/misc/habanalabs/common/sysfs.c
+++ b/drivers/misc/habanalabs/common/sysfs.c
@@ -73,6 +73,7 @@ static DEVICE_ATTR_RO(clk_cur_freq_mhz);
static struct attribute *hl_dev_clk_attrs[] = {
&dev_attr_clk_max_freq_mhz.attr,
&dev_attr_clk_cur_freq_mhz.attr,
+ NULL,
};

static ssize_t vrm_ver_show(struct device *dev, struct device_attribute *attr, char *buf)
@@ -93,6 +94,7 @@ static DEVICE_ATTR_RO(vrm_ver);

static struct attribute *hl_dev_vrm_attrs[] = {
&dev_attr_vrm_ver.attr,
+ NULL,
};

static ssize_t uboot_ver_show(struct device *dev, struct device_attribute *attr,
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index fba322241096..25d735aee6a3 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -9187,6 +9187,7 @@ static DEVICE_ATTR_RO(infineon_ver);

static struct attribute *gaudi_vrm_dev_attrs[] = {
&dev_attr_infineon_ver.attr,
+ NULL,
};

static void gaudi_add_device_attr(struct hl_device *hdev, struct attribute_group *dev_clk_attr_grp,
diff --git a/drivers/misc/habanalabs/goya/goya_hwmgr.c b/drivers/misc/habanalabs/goya/goya_hwmgr.c
index 6580fc6a486a..b595721751c1 100644
--- a/drivers/misc/habanalabs/goya/goya_hwmgr.c
+++ b/drivers/misc/habanalabs/goya/goya_hwmgr.c
@@ -359,6 +359,7 @@ static struct attribute *goya_clk_dev_attrs[] = {
&dev_attr_pm_mng_profile.attr,
&dev_attr_tpc_clk.attr,
&dev_attr_tpc_clk_curr.attr,
+ NULL,
};

static ssize_t infineon_ver_show(struct device *dev, struct device_attribute *attr, char *buf)
@@ -375,6 +376,7 @@ static DEVICE_ATTR_RO(infineon_ver);

static struct attribute *goya_vrm_dev_attrs[] = {
&dev_attr_infineon_ver.attr,
+ NULL,
};

void goya_add_device_attr(struct hl_device *hdev, struct attribute_group *dev_clk_attr_grp,
--
2.35.1