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| author | Michal Suchanek <msuchanek@suse.de> | 2022-10-12 21:57:59 +0200 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2022-10-17 21:17:12 -0600 |
| commit | c726fc01cf669e3e2979da8665ef660e7d3ba464 (patch) | |
| tree | 5d11dc2d0e58fac8a08cb1e2425ff0ae10ad0a8a /lib | |
| parent | 8676ae36ae4617b20b5cc49972c54c63c7b27bb3 (diff) | |
| download | u-boot-c726fc01cf669e3e2979da8665ef660e7d3ba464.tar.gz u-boot-c726fc01cf669e3e2979da8665ef660e7d3ba464.tar.bz2 u-boot-c726fc01cf669e3e2979da8665ef660e7d3ba464.zip | |
dm: treewide: Use uclass_first_device_err when accessing one device
There is a number of users that use uclass_first_device to access the
first and (assumed) only device in uclass.
Some check the return value of uclass_first_device and also that a
device was returned which is exactly what uclass_first_device_err does.
Some are not checking that a device was returned and can potentially
crash if no device exists in the uclass. Finally there is one that
returns NULL on error either way.
Convert all of these to use uclass_first_device_err instead, the return
value will be removed from uclass_first_device in a later patch.
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/acpi/acpi_table.c | 2 | ||||
| -rw-r--r-- | lib/efi_loader/efi_gop.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/acpi/acpi_table.c b/lib/acpi/acpi_table.c index f8642f9942..7c4189e243 100644 --- a/lib/acpi/acpi_table.c +++ b/lib/acpi/acpi_table.c @@ -40,7 +40,7 @@ int acpi_create_dmar(struct acpi_dmar *dmar, enum dmar_flags flags) struct udevice *cpu; int ret; - ret = uclass_first_device(UCLASS_CPU, &cpu); + ret = uclass_first_device_err(UCLASS_CPU, &cpu); if (ret) return log_msg_ret("cpu", ret); ret = cpu_get_info(cpu, &info); diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c index 5908b5c646..20bd7fff08 100644 --- a/lib/efi_loader/efi_gop.c +++ b/lib/efi_loader/efi_gop.c @@ -482,7 +482,7 @@ efi_status_t efi_gop_register(void) struct video_priv *priv; /* We only support a single video output device for now */ - if (uclass_first_device(UCLASS_VIDEO, &vdev) || !vdev) { + if (uclass_first_device_err(UCLASS_VIDEO, &vdev)) { debug("WARNING: No video device\n"); return EFI_SUCCESS; } |