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Subject[PATCH] selinux: improve performance of sel_write_load()
Date
remove unecessary multiplications of sel_write_load().

Signed-off-by: zhanglin <zhang.lin16@zte.com.cn>
---
security/selinux/selinuxfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index f3a5a138a096..4b2d87b6fcf9 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -117,6 +117,7 @@ static void selinux_fs_info_free(struct super_block *sb)
#define SEL_CLASS_INO_OFFSET 0x04000000
#define SEL_POLICYCAP_INO_OFFSET 0x08000000
#define SEL_INO_MASK 0x00ffffff
+#define SEL_LOAD_MAX 0x04000000

#define TMPBUFLEN 12
static ssize_t sel_read_enforce(struct file *filp, char __user *buf,
@@ -550,7 +551,7 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf,
goto out;

length = -EFBIG;
- if (count > 64 * 1024 * 1024)
+ if (count > SEL_LOAD_MAX)
goto out;

length = -ENOMEM;
--
2.17.1
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