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authorIngo Molnar <mingo@kernel.org>2013-09-24 09:52:40 +0200
committerIngo Molnar <mingo@kernel.org>2013-09-24 09:52:40 +0200
commit8a1f4653f27ffd5d61088cf6b95c39bb13bf6132 (patch)
tree01b65fbc25f9ae735063759b694acfa41eb8a4c7 /kernel/debug
parent8eba18428ac926f436064ac281e76d36d51bd631 (diff)
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x86/UV: Check for alloc_cpumask_var() failures properly in uv_nmi_setup()
GCC warned about: arch/x86/platform/uv/uv_nmi.c: In function ‘uv_nmi_setup’: arch/x86/platform/uv/uv_nmi.c:664:2: warning: the address of ‘uv_nmi_cpu_mask’ will always evaluate as ‘true’ The reason is this code: alloc_cpumask_var(&uv_nmi_cpu_mask, GFP_KERNEL); BUG_ON(!uv_nmi_cpu_mask); which is not the way to check for alloc_cpumask_var() failures - its return code should be checked instead. Cc: Mike Travis <travis@sgi.com> Link: http://lkml.kernel.org/n/tip-2pXRemsjupmvonbpmmnzleo1@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/debug')
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