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Red Hat Bugzilla – Attachment 146059 Details for
Bug 185978
Kernel panic in sysfs
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[patch]
Fix for this issue
efivars.patch (text/plain), 872 bytes, created by
Prarit Bhargava
on 2007-01-20 13:28:27 UTC
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Description:
Fix for this issue
Filename:
MIME Type:
Creator:
Prarit Bhargava
Created:
2007-01-20 13:28:27 UTC
Size:
872 bytes
patch
obsolete
>Fix race in EFI variable delete code. > >Signed-off-by: Prarit Bhargava <prarit@redhat.com> > >--- linux-2.6.9.orig/drivers/firmware/efivars.c 2007-01-19 10:19:57.000000000 -0500 >+++ linux-2.6.9/drivers/firmware/efivars.c 2007-01-20 08:05:53.000000000 -0500 >@@ -386,10 +386,8 @@ static struct sysfs_ops efivar_attr_ops > > static void efivar_release(struct kobject *kobj) > { >- struct efivar_entry *var = container_of(kobj, struct efivar_entry, kobj); >- spin_lock(&efivars_lock); >- list_del(&var->list); >- spin_unlock(&efivars_lock); >+ struct efivar_entry *var = container_of(kobj, struct efivar_entry, >+ kobj); > kfree(var); > } > >@@ -538,6 +536,9 @@ efivar_delete(struct subsystem *sub, con > spin_unlock(&efivars_lock); > return -EIO; > } >+ >+ list_del(&search_efivar->list); >+ > /* We need to release this lock before unregistering. */ > spin_unlock(&efivars_lock); >
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