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authorAl Viro <viro@zeniv.linux.org.uk>2012-05-30 13:30:51 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-05-31 13:11:54 -0400
commite5467859f7f79b69fc49004403009dfdba3bec53 (patch)
tree73b011daf79eeddd61bbcaf65cd197b5e5f6f149 /security/commoncap.c
parentd007794a182bc072a7b7479909dbd0d67ba341be (diff)
downloadlinux-e5467859f7f79b69fc49004403009dfdba3bec53.tar.gz
split ->file_mmap() into ->mmap_addr()/->mmap_file()
... i.e. file-dependent and address-dependent checks. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'security/commoncap.c')
-rw-r--r--security/commoncap.c21
1 files changed, 3 insertions, 18 deletions
diff --git a/security/commoncap.c b/security/commoncap.c
index ebac3618896..6dbae4650ab 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -980,23 +980,8 @@ int cap_mmap_addr(unsigned long addr)
return ret;
}
-/*
- * cap_file_mmap - check if able to map given addr
- * @file: unused
- * @reqprot: unused
- * @prot: unused
- * @flags: unused
- * @addr: address attempting to be mapped
- * @addr_only: unused
- *
- * If the process is attempting to map memory below dac_mmap_min_addr they need
- * CAP_SYS_RAWIO. The other parameters to this function are unused by the
- * capability security module. Returns 0 if this mapping should be allowed
- * -EPERM if not.
- */
-int cap_file_mmap(struct file *file, unsigned long reqprot,
- unsigned long prot, unsigned long flags,
- unsigned long addr, unsigned long addr_only)
+int cap_mmap_file(struct file *file, unsigned long reqprot,
+ unsigned long prot, unsigned long flags)
{
- return cap_mmap_addr(addr);
+ return 0;
}