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Bluetooth: Fix code style error

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checkpatch.pl flags the zero-length array members in struct
qca_dump_hdr:

    ERROR: Use C99 flexible arrays - see
    https://docs.kernel.org/process/deprecated.html#zero-length-and-one-element-arrays
    #3110: FILE: drivers/bluetooth/btusb.c:3110:
    + u8 data0[0];

Replace them with DECLARE_FLEX_ARRAY(), since C99 flexible array
members are not permitted inside unions or as the sole member of
a struct.

The struct layout is unchanged, and everything compiles with the
change.

Link: https://docs.kernel.org/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Jeremy Dean <deaner92@yahoo.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Jeremy Dean 2026-08-25 12:22:07 +00:00 committed by Luiz Augusto von Dentz
parent 8be5ec1f66
commit 00b201656d
1 changed files with 2 additions and 2 deletions
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4
drivers/bluetooth/btusb.c
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@ -3316,10 +3316,10 @@ struct qca_dump_hdr {
__le16 seqno;
u8 reserved;
union {
u8 data[0];
DECLARE_FLEX_ARRAY(u8, data);
struct {
__le32 ram_dump_size;
u8 data0[0];
DECLARE_FLEX_ARRAY(u8, data0);
} __packed;
};
} __packed;