arm64/sme: Fix NULL check after kzalloc
Fix following coccicheck error: ./arch/arm64/kernel/process.c:322:2-23: alloc with no test, possible model on line 326 Here should be dst->thread.sve_state. Fixes: 8bd7f91c ("arm64/sme: Implement traps and syscall handling for SME") Signed-off-by: Wan Jiabing <wanjiabing@vivo.com> Reviwed-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220426113054.630983-1-wanjiabing@vivo.comSigned-off-by: Catalin Marinas <catalin.marinas@arm.com>
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