On Tue, 27 Sept 2022 at 15:38, Michal Suchanek <msucha...@suse.de> wrote: > > 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. > > Also print the symbolic error when the return value is printed. > > Signed-off-by: Michal Suchanek <msucha...@suse.de> > --- > arch/arm/mach-omap2/am33xx/board.c | 4 ++-- > arch/x86/cpu/broadwell/cpu.c | 4 +--- > arch/x86/cpu/intel_common/cpu.c | 4 +--- > arch/x86/lib/pinctrl_ich6.c | 4 +--- > board/intel/cougarcanyon2/cougarcanyon2.c | 4 +--- > drivers/mmc/omap_hsmmc.c | 2 +- > drivers/serial/serial-uclass.c | 2 +- > drivers/serial/serial_bcm283x_mu.c | 2 +- > drivers/serial/serial_bcm283x_pl011.c | 2 +- > drivers/sysreset/sysreset_ast.c | 2 +- > drivers/video/exynos/exynos_fb.c | 24 ++++++++++------------- > drivers/video/mali_dp.c | 2 +- > drivers/video/stm32/stm32_dsi.c | 6 ++++-- > drivers/video/tegra124/dp.c | 7 ++++--- > lib/acpi/acpi_table.c | 2 +- > lib/efi_loader/efi_gop.c | 2 +- > net/eth-uclass.c | 4 ++-- > test/boot/bootmeth.c | 2 +- > test/dm/acpi.c | 14 ++++++------- > test/dm/devres.c | 4 ++-- > test/dm/i2c.c | 8 ++++---- > test/dm/virtio_device.c | 8 ++++---- > test/dm/virtio_rng.c | 2 +- > test/fuzz/cmd_fuzz.c | 2 +- > test/fuzz/virtio.c | 2 +- > 25 files changed, 55 insertions(+), 64 deletions(-)
With the errno change dropped: Reviewed-by: Simon Glass <s...@chromium.org>