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authorLinus Torvalds <torvalds@linux-foundation.org>2015-07-03 12:28:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-07-03 12:28:30 -0700
commit6361c845ceab326a306412349fa6b125700b2cec (patch)
treef3380ab79b36b517b388fbe8e41ad94f450ef3de /arch/arm64/mm/hugetlbpage.c
parentMerge tag 'nios2-v4.2' of git://git.rocketboards.org/linux-socfpga-next (diff)
parentarm64: Fix show_unhandled_signal_ratelimited usage (diff)
downloadlinux-dev-6361c845ceab326a306412349fa6b125700b2cec.tar.xz
linux-dev-6361c845ceab326a306412349fa6b125700b2cec.zip
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes (and cleanups) from Catalin Marinas: "Various arm64 fixes: - suspicious RCU usage warning - BPF (out of bounds array read and endianness conversion) - perf (of_node usage after of_node_put, cpu_pmu->plat_device assignment) - huge pmd/pud check for value 0 - rate-limiting should only take unhandled signals into account Clean-up: - incorrect use of pgprot_t type - unused header include - __init annotation to arm_cpuidle_init - pr_debug instead of pr_error for disabled GICC entries in ACPI/MADT" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: Fix show_unhandled_signal_ratelimited usage ARM64 / SMP: Switch pr_err() to pr_debug() for disabled GICC entry arm64: cpuidle: add __init section marker to arm_cpuidle_init arm64: Don't report clear pmds and puds as huge arm64: perf: fix unassigned cpu_pmu->plat_device when probing PMU PPIs arm64: perf: Don't use of_node after putting it arm64: fix incorrect use of pgprot_t variable arm64/hw_breakpoint.c: remove unnecessary header arm64: bpf: fix endianness conversion bugs arm64: bpf: fix out-of-bounds read in bpf2a64_offset() ARM64: smp: Fix suspicious RCU usage with ipi tracepoints
Diffstat (limited to 'arch/arm64/mm/hugetlbpage.c')
-rw-r--r--arch/arm64/mm/hugetlbpage.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index cccc4af87a03..831ec534d449 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -33,13 +33,13 @@
int pmd_huge(pmd_t pmd)
{
- return !(pmd_val(pmd) & PMD_TABLE_BIT);
+ return pmd_val(pmd) && !(pmd_val(pmd) & PMD_TABLE_BIT);
}
int pud_huge(pud_t pud)
{
#ifndef __PAGETABLE_PMD_FOLDED
- return !(pud_val(pud) & PUD_TABLE_BIT);
+ return pud_val(pud) && !(pud_val(pud) & PUD_TABLE_BIT);
#else
return 0;
#endif