[PATCH 5.12 103/292] habanalabs: set rc as valid in case of intentional func exit
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-07-19 18:10:29
Also in:
lkml
Subsystem:
char and misc drivers, the rest · Maintainers:
Arnd Bergmann, Greg Kroah-Hartman, Linus Torvalds
From: Koby Elbaz <redacted> [ Upstream commit 11d5cb8b95456e2432dfee2ffcebf0623998493a ] fix the following smatch warnings: hl_fw_static_init_cpu() warn: missing error code 'rc' Signed-off-by: Koby Elbaz <redacted> 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/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