[GIT PULL] s390 updates for 5.15-rc6

[Vasily Gorbik <gor@linux.ibm.com>]

Hello Linus,

please pull s390 changes for 5.15-rc6.

Thank you,
Vasily

The following changes since commit a46044a92add6a400f4dada7b943b30221f7cc80:

  s390/pci: fix zpci_zdev_put() on reserve (2021-10-04 09:49:10 +0200)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-5.15-6

for you to fetch changes up to 8b7216439e2e2128f6f1a19ad4b6be94d8b0e23d:

  s390: add Alexander Gordeev as reviewer (2021-10-13 14:37:44 +0200)

----------------------------------------------------------------
s390 update for v5.15-rc6

- Maintainers and reviewers changes:
  - Cornelia decided to free up her time and step down from vfio-ccw
    maintainer and s390 kvm reviewer duties.
  - Add Alexander Gordeev as s390 arch code reviewer.

- Fix broken strrchr implementation.

----------------------------------------------------------------
Cornelia Huck (2):
      KVM: s390: remove myself as reviewer
      vfio-ccw: step down as maintainer

Heiko Carstens (1):
      s390: add Alexander Gordeev as reviewer

Roberto Sassu (1):
      s390: fix strrchr() implementation

 MAINTAINERS            |  3 +--
 arch/s390/lib/string.c | 15 +++++++--------
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index abdcbcfef73d..888b329413d3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10275,7 +10275,6 @@ KERNEL VIRTUAL MACHINE for s390 (KVM/s390)
 M:	Christian Borntraeger <borntraeger@de.ibm.com>
 M:	Janosch Frank <frankja@linux.ibm.com>
 R:	David Hildenbrand <david@redhat.com>
-R:	Cornelia Huck <cohuck@redhat.com>
 R:	Claudio Imbrenda <imbrenda@linux.ibm.com>
 L:	kvm@vger.kernel.org
 S:	Supported
@@ -16297,6 +16296,7 @@ S390
 M:	Heiko Carstens <hca@linux.ibm.com>
 M:	Vasily Gorbik <gor@linux.ibm.com>
 M:	Christian Borntraeger <borntraeger@de.ibm.com>
+R:	Alexander Gordeev <agordeev@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
 W:	http://www.ibm.com/developerworks/linux/linux390/
@@ -16375,7 +16375,6 @@ F:	drivers/s390/crypto/vfio_ap_ops.c
 F:	drivers/s390/crypto/vfio_ap_private.h
 
 S390 VFIO-CCW DRIVER
-M:	Cornelia Huck <cohuck@redhat.com>
 M:	Eric Farman <farman@linux.ibm.com>
 M:	Matthew Rosato <mjrosato@linux.ibm.com>
 R:	Halil Pasic <pasic@linux.ibm.com>
diff --git a/arch/s390/lib/string.c b/arch/s390/lib/string.c
index cfcdf76d6a95..a95ca6df4e5e 100644
--- a/arch/s390/lib/string.c
+++ b/arch/s390/lib/string.c
@@ -259,14 +259,13 @@ EXPORT_SYMBOL(strcmp);
 #ifdef __HAVE_ARCH_STRRCHR
 char *strrchr(const char *s, int c)
 {
-       size_t len = __strend(s) - s;
-
-       if (len)
-	       do {
-		       if (s[len] == (char) c)
-			       return (char *) s + len;
-	       } while (--len > 0);
-       return NULL;
+	ssize_t len = __strend(s) - s;
+
+	do {
+		if (s[len] == (char)c)
+			return (char *)s + len;
+	} while (--len >= 0);
+	return NULL;
 }
 EXPORT_SYMBOL(strrchr);
 #endif