[PATCH] security: Export few symbols referred by other modules

Hareesh Gundu hareeshg at codeaurora.org
Tue Dec 5 10:58:57 UTC 2017


Export mmap_min_addr and security_mmap_addr() to allow
kernel modules to use them.

Signed-off-by: Hareesh Gundu <hareeshg at codeaurora.org>
---
 security/min_addr.c | 1 +
 security/security.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/security/min_addr.c b/security/min_addr.c
index 94d2b0c..4653711 100644
--- a/security/min_addr.c
+++ b/security/min_addr.c
@@ -6,6 +6,7 @@
 
 /* amount of vm to protect from userspace access by both DAC and the LSM*/
 unsigned long mmap_min_addr;
+EXPORT_SYMBOL(mmap_min_addr);
 /* amount of vm to protect from userspace using CAP_SYS_RAWIO (DAC) */
 unsigned long dac_mmap_min_addr = CONFIG_DEFAULT_MMAP_MIN_ADDR;
 /* amount of vm to protect from userspace using the LSM = CONFIG_LSM_MMAP_MIN_ADDR */
diff --git a/security/security.c b/security/security.c
index 1cd8526..27874a3 100644
--- a/security/security.c
+++ b/security/security.c
@@ -931,6 +931,7 @@ int security_mmap_addr(unsigned long addr)
 {
 	return call_int_hook(mmap_addr, 0, addr);
 }
+EXPORT_SYMBOL(security_mmap_addr);
 
 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 			    unsigned long prot)
-- 
1.9.1

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