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Subject: media: dvb: as102-fe: Fix as10x_register_addr packing Author: Ricardo Ribalda <riba...@chromium.org> Date: Wed Apr 10 12:24:37 2024 +0000 This structure is embedded in multiple other structures that are packed, which conflicts with it being aligned. drivers/media/usb/as102/as10x_cmd.h:379:30: warning: field reg_addr within 'struct as10x_dump_memory::(unnamed at drivers/media/usb/as102/as10x_cmd.h:373:2)' is less aligned than 'struct as10x_register_addr' and is usually due to 'struct as10x_dump_memory::(unnamed at drivers/media/usb/as102/as10x_cmd.h:373:2)' being packed, which can lead to unaligned accesses [-Wunaligned-access] Mark it as being packed. Marking the inner struct as 'packed' does not change the layout, since the whole struct is already packed, it just silences the clang warning. See also this llvm discussion: https://github.com/llvm/llvm-project/issues/55520 Signed-off-by: Ricardo Ribalda <riba...@chromium.org> Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> drivers/media/dvb-frontends/as102_fe_types.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- diff --git a/drivers/media/dvb-frontends/as102_fe_types.h b/drivers/media/dvb-frontends/as102_fe_types.h index 297f9520ebf9..8a4e392c8896 100644 --- a/drivers/media/dvb-frontends/as102_fe_types.h +++ b/drivers/media/dvb-frontends/as102_fe_types.h @@ -174,6 +174,6 @@ struct as10x_register_addr { uint32_t addr; /* register mode access */ uint8_t mode; -}; +} __packed; #endif
