diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-30 13:30:51 -0400 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-31 13:11:54 -0400 |
commit | e5467859f7f79b69fc49004403009dfdba3bec53 (patch) | |
tree | 73b011daf79eeddd61bbcaf65cd197b5e5f6f149 /security/commoncap.c | |
parent | d007794a182bc072a7b7479909dbd0d67ba341be (diff) |
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.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/security/commoncap.c b/security/commoncap.c index ebac3618896e..6dbae4650abe 100644 --- a/security/commoncap.c +++ b/security/commoncap.c | |||
@@ -980,23 +980,8 @@ int cap_mmap_addr(unsigned long addr) | |||
980 | return ret; | 980 | return ret; |
981 | } | 981 | } |
982 | 982 | ||
983 | /* | 983 | int cap_mmap_file(struct file *file, unsigned long reqprot, |
984 | * cap_file_mmap - check if able to map given addr | 984 | unsigned long prot, unsigned long flags) |
985 | * @file: unused | ||
986 | * @reqprot: unused | ||
987 | * @prot: unused | ||
988 | * @flags: unused | ||
989 | * @addr: address attempting to be mapped | ||
990 | * @addr_only: unused | ||
991 | * | ||
992 | * If the process is attempting to map memory below dac_mmap_min_addr they need | ||
993 | * CAP_SYS_RAWIO. The other parameters to this function are unused by the | ||
994 | * capability security module. Returns 0 if this mapping should be allowed | ||
995 | * -EPERM if not. | ||
996 | */ | ||
997 | int cap_file_mmap(struct file *file, unsigned long reqprot, | ||
998 | unsigned long prot, unsigned long flags, | ||
999 | unsigned long addr, unsigned long addr_only) | ||
1000 | { | 985 | { |
1001 | return cap_mmap_addr(addr); | 986 | return 0; |
1002 | } | 987 | } |