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| author | Ingo Molnar | 2019-04-10 09:14:42 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2019-04-10 09:14:42 +0200 |
| commit | 54bbfe75cbb10384b0a62efae80fde21deea1dd0 (patch) | |
| tree | eed22c29cdecce36153bbb83ee7a9da7eed60ccd /arch/arm64/kernel/sdei.c | |
| parent | locking/rwsem: Optimize down_read_trylock() (diff) | |
| parent | Bluetooth: btusb: request wake pin with NOAUTOEN (diff) | |
| download | kernel-qcow2-linux-54bbfe75cbb10384b0a62efae80fde21deea1dd0.tar.gz kernel-qcow2-linux-54bbfe75cbb10384b0a62efae80fde21deea1dd0.tar.xz kernel-qcow2-linux-54bbfe75cbb10384b0a62efae80fde21deea1dd0.zip | |
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/sdei.c')
| -rw-r--r-- | arch/arm64/kernel/sdei.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kernel/sdei.c b/arch/arm64/kernel/sdei.c index 5ba4465e44f0..ea94cf8f9dc6 100644 --- a/arch/arm64/kernel/sdei.c +++ b/arch/arm64/kernel/sdei.c @@ -94,6 +94,9 @@ static bool on_sdei_normal_stack(unsigned long sp, struct stack_info *info) unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_normal_ptr); unsigned long high = low + SDEI_STACK_SIZE; + if (!low) + return false; + if (sp < low || sp >= high) return false; @@ -111,6 +114,9 @@ static bool on_sdei_critical_stack(unsigned long sp, struct stack_info *info) unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_critical_ptr); unsigned long high = low + SDEI_STACK_SIZE; + if (!low) + return false; + if (sp < low || sp >= high) return false; |