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UPSTREAM: ARM: 8476/1: VDSO: use PTR_ERR_OR_ZERO for vma check

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(cherry pick from commit 38fc2f6c98262913388de338d5b0cda67e3f78cd)

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Signed-off-by: Prasanna Karthik <mkarthi3@visteon.com>
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Bug: 20045882
Bug: 19198045
Change-Id: Id4838948c19f031a66af1654a4c47668288a0037
This commit is contained in:
Prasanna Karthik 2015-12-08 17:30:25 +01:00 • committed by Mark Salyzyn
parent 29950430ce
commit e1feee0659
1 changed files with 1 additions and 1 deletions
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arch/arm/kernel/vdso.c
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@ -224,7 +224,7 @@ static int install_vvar(struct mm_struct *mm, unsigned long addr)
VM_READ | VM_MAYREAD, VM_READ | VM_MAYREAD,
&vdso_data_mapping); &vdso_data_mapping);
return IS_ERR(vma) ? PTR_ERR(vma) : 0; return PTR_ERR_OR_ZERO(vma);
} }
/* assumes mmap_sem is write-locked */ /* assumes mmap_sem is write-locked */