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linux/arch/s390
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Roberto Sassu 8e0ab8e26b s390: fix strrchr() implementation 
Fix two problems found in the strrchr() implementation for s390
architectures: evaluate empty strings (return the string address instead of
NULL, if '\0' is passed as second argument); evaluate the first character
of non-empty strings (the current implementation stops at the second).

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Reported-by: Heiko Carstens <hca@linux.ibm.com> (incorrect behavior with empty strings)
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Link: https://lore.kernel.org/r/20211005120836.60630-1-roberto.sassu@huawei.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-10-12 13:07:37 +02:00
..
appldata s390/appldata: use struct_size() helper 2020-06-29 16:32:34 +02:00
boot Kbuild updates for v5.15 2021-09-03 15:33:47 -07:00
configs s390: update defconfigs 2021-09-15 14:29:21 +02:00
crypto s390/archrandom: add parameter check for s390_arch_random_generate 2021-04-21 12:32:12 +02:00
hypfs s390: rename dma section to amode31 2021-08-05 14:10:53 +02:00
include s390/pci: fix zpci_zdev_put() on reserve 2021-10-04 09:49:10 +02:00
kernel 2nd batch of s390 updates for 5.15 merge window 2021-09-09 12:55:12 -07:00
kvm KVM: x86: Query vcpu->vcpu_idx directly and drop its accessor 2021-09-22 10:33:11 -04:00
lib s390: fix strrchr() implementation 2021-10-12 13:07:37 +02:00
mm 2nd batch of s390 updates for 5.15 merge window 2021-09-09 12:55:12 -07:00
net bpf, s390: Fix potential memory leak about jit_data 2021-10-04 09:49:10 +02:00
pci s390/pci: fix zpci_zdev_put() on reserve 2021-10-04 09:49:10 +02:00
purgatory s390: enable KCSAN 2021-07-30 17:09:23 +02:00
tools s390/disassembler: add instructions 2021-07-27 09:39:19 +02:00
Kbuild s390/numa: move code to arch/s390/kernel 2020-08-11 18:16:55 +02:00
Kconfig s390: remove WARN_DYNAMIC_STACK 2021-09-15 14:29:21 +02:00
Kconfig.debug tracing: Refactor TRACE_IRQFLAGS_SUPPORT in Kconfig 2021-08-16 11:37:21 -04:00
Makefile s390: remove WARN_DYNAMIC_STACK 2021-09-15 14:29:21 +02:00