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x86, microcode: Correct sysdev_add error path

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When we encounter an error while initting the microcode driver on a CPU,
we must undo the previously added sysfs group.

Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: Andreas Herrmann <Andreas.Herrmann3@amd.com>
This commit is contained in:
Borislav Petkov 2011-01-06 16:56:51 +01:00
parent 100b33c8bd
commit 6c53cbfced
1 changed files with 4 additions and 2 deletions
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6
arch/x86/kernel/microcode_core.c
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@ -417,8 +417,10 @@ static int mc_sysdev_add(struct sys_device *sys_dev)
if (err)
return err;
if (microcode_init_cpu(cpu) == UCODE_ERROR)
err = -EINVAL;
if (microcode_init_cpu(cpu) == UCODE_ERROR) {
sysfs_remove_group(&sys_dev->kobj, &mc_attr_group);
return -EINVAL;
}
return err;
}