diff options
author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2020-10-15 20:05:06 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 11:11:14 -0700 |
commit | 401035d5c456691f79fbcc08eb6ee5479c30b606 (patch) | |
tree | 9d400beaaabc34b41146b3aa4b6ec37c6cbb67dd /drivers/atm/zeprom.h | |
parent | 2b1dd67a78c36a30f993d0d5366177df0cd7a5db (diff) |
mm/debug_vm_pgtable: avoid none pte in pte_clear_test
pte_clear_tests operate on an existing pte entry. Make sure that is not a
none pte entry.
[aneesh.kumar@linux.ibm.com: avoid kernel crash with riscv]
Link: https://lkml.kernel.org/r/20201015033206.140550-1-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Link: https://lkml.kernel.org/r/20200902114222.181353-14-aneesh.kumar@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/atm/zeprom.h')
0 files changed, 0 insertions, 0 deletions