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IMA: maintain i_readcount in the VFS layer

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ima_counts_get() updated the readcount and invalidated the PCR,
as necessary. Only update the i_readcount in the VFS layer.
Move the PCR invalidation checks to ima_file_check(), where it
belongs.

Maintaining the i_readcount in the VFS layer, will allow other
subsystems to use i_readcount.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Mimi Zohar
2010-11-02 10:13:07 -04:00
parent a5c96ebf1d
commit 890275b5eb
5 changed files with 14 additions and 27 deletions
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6
include/linux/ima.h
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@ -20,7 +20,6 @@ extern void ima_inode_free(struct inode *inode);
extern int ima_file_check(struct file *file, int mask);
extern void ima_file_free(struct file *file);
extern int ima_file_mmap(struct file *file, unsigned long prot);
extern void ima_counts_get(struct file *file);
#else
static inline int ima_bprm_check(struct linux_binprm *bprm)
@ -53,10 +52,5 @@ static inline int ima_file_mmap(struct file *file, unsigned long prot)
return 0;
}
static inline void ima_counts_get(struct file *file)
{
return;
}
#endif /* CONFIG_IMA_H */
#endif /* _LINUX_IMA_H */