Commit fc2220c9 authored by Dave Martin's avatar Dave Martin Committed by Will Deacon
Browse files

arm64: signal: Fix some under-bracketed UAPI macros 



A few SME-related sigcontext UAPI macros leave an argument
unprotected from misparsing during macro expansion.

Add parentheses around references to macro arguments where
appropriate.

Signed-off-by: default avatarDave Martin <Dave.Martin@arm.com>
Fixes: ee072cf7 ("arm64/sme: Implement signal handling for ZT")
Fixes: 39782210 ("arm64/sme: Implement ZA signal handling")
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240729152005.289844-1-Dave.Martin@arm.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 6ac96d6f

arch/arm64/include/uapi/asm/sigcontext.h

+3 −3
Original line number Diff line number Diff line
@@ -320,10 +320,10 @@ struct zt_context { 
	((sizeof(struct za_context) + (__SVE_VQ_BYTES - 1))	\

		/ __SVE_VQ_BYTES * __SVE_VQ_BYTES)



#define ZA_SIG_REGS_SIZE(vq) ((vq * __SVE_VQ_BYTES) * (vq * __SVE_VQ_BYTES))

#define ZA_SIG_REGS_SIZE(vq) (((vq) * __SVE_VQ_BYTES) * ((vq) * __SVE_VQ_BYTES))



#define ZA_SIG_ZAV_OFFSET(vq, n) (ZA_SIG_REGS_OFFSET + \

				  (SVE_SIG_ZREG_SIZE(vq) * n))

				  (SVE_SIG_ZREG_SIZE(vq) * (n)))



#define ZA_SIG_CONTEXT_SIZE(vq) \

		(ZA_SIG_REGS_OFFSET + ZA_SIG_REGS_SIZE(vq))
@@ -334,7 +334,7 @@ struct zt_context { 


#define ZT_SIG_REGS_OFFSET sizeof(struct zt_context)



#define ZT_SIG_REGS_SIZE(n) (ZT_SIG_REG_BYTES * n)

#define ZT_SIG_REGS_SIZE(n) (ZT_SIG_REG_BYTES * (n))



#define ZT_SIG_CONTEXT_SIZE(n) \

	(sizeof(struct zt_context) + ZT_SIG_REGS_SIZE(n))