Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
s390/smp: move to use bus_get_dev_root()
Direct access to the struct bus_type dev_root pointer is going away soon
so replace that with a call to bus_get_dev_root() instead, which is what
it is there for.
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: linux-s390@vger.kernel.org
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20230313182918.1312597-19-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+9
-3
+9
-3
arch/s390/kernel/smp.c
+9
-3
arch/s390/kernel/smp.c
···
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static int __init s390_smp_init(void)
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{
1230
+
struct device *dev_root;
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int cpu, rc = 0;
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-
rc = device_create_file(cpu_subsys.dev_root, &dev_attr_rescan);
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-
if (rc)
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-
return rc;
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+
dev_root = bus_get_dev_root(&cpu_subsys);
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+
if (dev_root) {
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+
rc = device_create_file(dev_root, &dev_attr_rescan);
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+
put_device(dev_root);
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+
if (rc)
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+
return rc;
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+
}
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+
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for_each_present_cpu(cpu) {
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rc = smp_add_present_cpu(cpu);
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if (rc)