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m68k: cmpxchg: Fix return value for default case in __arch_xchg()

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[ Upstream commit 21b9e722ad28c19c2bc83f18f540b3dbd89bf762 ]

The return value of __invalid_xchg_size() is assigned to tmp instead of
the return variable x. Assign it to x instead.

Fixes: 2501cf768e4009a0 ("m68k: Fix xchg/cmpxchg to fail to link if given an inappropriate pointer")
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/20240702034116.140234-2-thorsten.blum@toblux.com
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Thorsten Blum 2024-07-02 05:41:17 +02:00 committed by Ksawlii
parent 35dac179ce
commit bffb9d5642
1 changed files with 1 additions and 1 deletions
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arch/m68k/include/asm/cmpxchg.h
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@ -33,7 +33,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
x = tmp; x = tmp;
break; break;
default: default:
tmp = __invalid_xchg_size(x, ptr, size); x = __invalid_xchg_size(x, ptr, size);
break; break;
} }