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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-02 11:41:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-02 11:41:11 -0800
commit597b0d21626da4e6f09f132442caf0cc2b0eb47c (patch)
tree13c0074bb20f7b05a471e78d4ff52c665a10266a /fs
parent2640c9a90fa596871e142f42052608864335f102 (diff)
parent87917239204d67a316cb89751750f86c9ed3640b (diff)
downloadop-kernel-dev-597b0d21626da4e6f09f132442caf0cc2b0eb47c.zip
op-kernel-dev-597b0d21626da4e6f09f132442caf0cc2b0eb47c.tar.gz
Merge branch 'kvm-updates/2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates/2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (140 commits) KVM: MMU: handle large host sptes on invlpg/resync KVM: Add locking to virtual i8259 interrupt controller KVM: MMU: Don't treat a global pte as such if cr4.pge is cleared MAINTAINERS: Maintainership changes for kvm/ia64 KVM: ia64: Fix kvm_arch_vcpu_ioctl_[gs]et_regs() KVM: x86: Rework user space NMI injection as KVM_CAP_USER_NMI KVM: VMX: Fix pending NMI-vs.-IRQ race for user space irqchip KVM: fix handling of ACK from shared guest IRQ KVM: MMU: check for present pdptr shadow page in walk_shadow KVM: Consolidate userspace memory capability reporting into common code KVM: Advertise the bug in memory region destruction as fixed KVM: use cpumask_var_t for cpus_hardware_enabled KVM: use modern cpumask primitives, no cpumask_t on stack KVM: Extract core of kvm_flush_remote_tlbs/kvm_reload_remote_mmus KVM: set owner of cpu and vm file operations anon_inodes: use fops->owner for module refcount x86: KVM guest: kvm_get_tsc_khz: return khz, not lpj KVM: MMU: prepopulate the shadow on invlpg KVM: MMU: skip global pgtables on sync due to cr3 switch KVM: MMU: collapse remote TLB flushes on root sync ...
Diffstat (limited to 'fs')
-rw-r--r--fs/anon_inodes.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index c16d9be..3bbdb9d 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -79,9 +79,12 @@ int anon_inode_getfd(const char *name, const struct file_operations *fops,
if (IS_ERR(anon_inode_inode))
return -ENODEV;
+ if (fops->owner && !try_module_get(fops->owner))
+ return -ENOENT;
+
error = get_unused_fd_flags(flags);
if (error < 0)
- return error;
+ goto err_module;
fd = error;
/*
@@ -128,6 +131,8 @@ err_dput:
dput(dentry);
err_put_unused_fd:
put_unused_fd(fd);
+err_module:
+ module_put(fops->owner);
return error;
}
EXPORT_SYMBOL_GPL(anon_inode_getfd);
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