Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
powerpc/sysfs: 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: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: David Hildenbrand <david@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20230313182918.1312597-12-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+12
-2
+12
-2
arch/powerpc/kernel/sysfs.c
+12
-2
arch/powerpc/kernel/sysfs.c
···
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static void __init sysfs_create_dscr_default(void)
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{
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if (cpu_has_feature(CPU_FTR_DSCR)) {
220
+
struct device *dev_root;
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int cpu;
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dscr_default = spr_default_dscr;
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for_each_possible_cpu(cpu)
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paca_ptrs[cpu]->dscr_default = dscr_default;
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-
device_create_file(cpu_subsys.dev_root, &dev_attr_dscr_default);
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+
dev_root = bus_get_dev_root(&cpu_subsys);
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+
if (dev_root) {
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+
device_create_file(dev_root, &dev_attr_dscr_default);
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+
put_device(dev_root);
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+
}
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}
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}
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#endif /* CONFIG_PPC64 */
···
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static void __init create_svm_file(void)
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748
{
754
-
device_create_file(cpu_subsys.dev_root, &dev_attr_svm);
749
+
struct device *dev_root = bus_get_dev_root(&cpu_subsys);
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+
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+
if (dev_root) {
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+
device_create_file(dev_root, &dev_attr_svm);
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+
put_device(dev_root);
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+
}
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755
}
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#else
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static void __init create_svm_file(void)