[PATCH AUTOSEL 5.12 075/104] habanalabs: set rc as 'valid' in case of intentional func exit
From: Sasha Levin
Date: Fri Jul 09 2021 - 22:25:13 EST
From: Koby Elbaz <kelbaz@xxxxxxxxx>
[ Upstream commit 11d5cb8b95456e2432dfee2ffcebf0623998493a ]
fix the following smatch warnings:
hl_fw_static_init_cpu() warn: missing error code 'rc'
Signed-off-by: Koby Elbaz <kelbaz@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/misc/habanalabs/common/device.c | 5 +++--
drivers/misc/habanalabs/common/firmware_if.c | 5 ++++-
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c
index 334009e83823..b11e9830422e 100644
--- a/drivers/misc/habanalabs/common/device.c
+++ b/drivers/misc/habanalabs/common/device.c
@@ -1370,8 +1370,9 @@ int hl_device_init(struct hl_device *hdev, struct class *hclass)
}
/*
- * From this point, in case of an error, add char devices and create
- * sysfs nodes as part of the error flow, to allow debugging.
+ * From this point, override rc (=0) in case of an error to allow
+ * debugging (by adding char devices and create sysfs nodes as part of
+ * the error flow).
*/
add_cdev_sysfs_on_err = true;
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index 09706c571e95..7a96c9753dbf 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -803,11 +803,14 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
if (!(hdev->fw_loading & FW_TYPE_LINUX)) {
dev_info(hdev->dev, "Skip loading Linux F/W\n");
+ rc = 0;
goto out;
}
- if (status == CPU_BOOT_STATUS_SRAM_AVAIL)
+ if (status == CPU_BOOT_STATUS_SRAM_AVAIL) {
+ rc = 0;
goto out;
+ }
dev_info(hdev->dev,
"Loading firmware to device, may take some time...\n");
--
2.30.2