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authorKees Cook <keescook@chromium.org>2021-11-18 10:41:04 -0800
committerKalle Valo <kvalo@codeaurora.org>2021-11-29 12:44:29 +0200
commit5fd32ae0433a7af37eac27ace3aabae8cb7c2fc4 (patch)
tree50279826340cd7861f94e4e6bdde80a66979a21d /net/can
parentfa4408b0799a7d52ec0b28f97ab0a93401e8e83f (diff)
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libertas: Use struct_group() for memcpy() region
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intentionally writing across neighboring fields. Use struct_group() in struct txpd around members tx_dest_addr_high and tx_dest_addr_low so they can be referenced together. This will allow memcpy() and sizeof() to more easily reason about sizes, improve readability, and avoid future warnings about writing beyond the end of queue_id. "pahole" shows no size nor member offset changes to struct txpd. "objdump -d" shows no object code changes. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20211118184104.1283637-1-keescook@chromium.org
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