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authorBilal Amarni <bilal.amarni@gmail.com>2017-06-08 14:47:26 +0100
committerJames Morris <james.l.morris@oracle.com>2017-06-09 13:29:45 +1000
commit47b2c3fff4932e6fc17ce13d51a43c6969714e20 (patch)
tree670368023ad46ae7f0b5c14d41880cf3eef61caf /security
parentaea4156c308670699d74dedb182ebceffb633185 (diff)
security/keys: add CONFIG_KEYS_COMPAT to Kconfig
CONFIG_KEYS_COMPAT is defined in arch-specific Kconfigs and is missing for several 64-bit architectures : mips, parisc, tile. At the moment and for those architectures, calling in 32-bit userspace the keyctl syscall would return an ENOSYS error. This patch moves the CONFIG_KEYS_COMPAT option to security/keys/Kconfig, to make sure the compatibility wrapper is registered by default for any 64-bit architecture as long as it is configured with CONFIG_COMPAT. [DH: Modified to remove arm64 compat enablement also as requested by Eric Biggers] Signed-off-by: Bilal Amarni <bilal.amarni@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> cc: Eric Biggers <ebiggers3@gmail.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
Diffstat (limited to 'security')
-rw-r--r--security/keys/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/security/keys/Kconfig b/security/keys/Kconfig
index 6fd95f76bfae..00b7431a8aeb 100644
--- a/security/keys/Kconfig
+++ b/security/keys/Kconfig
@@ -20,6 +20,10 @@ config KEYS
If you are unsure as to whether this is required, answer N.
+config KEYS_COMPAT
+ def_bool y
+ depends on COMPAT && KEYS
+
config PERSISTENT_KEYRINGS
bool "Enable register of persistent per-UID keyrings"
depends on KEYS