diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-13 21:28:51 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-17 17:29:26 +0300 |
| commit | 216f58beb26e683e6d437c43e6aaf8e7b8631447 (patch) | |
| tree | 30ad74643ad74f18ceca7fbaf9f05e82a42817bf /arch | |
| parent | 686f669780276da534e93ba769e02bdcf1f89f8d (diff) | |
| download | linux-216f58beb26e683e6d437c43e6aaf8e7b8631447.tar.xz | |
x86/microcode: 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: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: x86@kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>
Link: https://lore.kernel.org/r/20230313182918.1312597-9-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/microcode/core.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index 7a329e561354..3afcf3de0dd4 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -632,6 +632,7 @@ static const struct attribute_group cpu_root_microcode_group = { static int __init microcode_init(void) { + struct device *dev_root; struct cpuinfo_x86 *c = &boot_cpu_data; int error; @@ -652,10 +653,14 @@ static int __init microcode_init(void) if (IS_ERR(microcode_pdev)) return PTR_ERR(microcode_pdev); - error = sysfs_create_group(&cpu_subsys.dev_root->kobj, &cpu_root_microcode_group); - if (error) { - pr_err("Error creating microcode group!\n"); - goto out_pdev; + dev_root = bus_get_dev_root(&cpu_subsys); + if (dev_root) { + error = sysfs_create_group(&dev_root->kobj, &cpu_root_microcode_group); + put_device(dev_root); + if (error) { + pr_err("Error creating microcode group!\n"); + goto out_pdev; + } } /* Do per-CPU setup */ |