If the test's uname -r is less that 3.8, return -ENOSYS from
finit_module(), so that the fallback is tested.
---
testsuite/init_module.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/testsuite/init_module.c b/testsuite/init_module.c
index 42177e7..96f4aa7 100644
--- a/testsuite/init_module.c
+++ b/testsuite/init_module.c
@@ -37,6 +37,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/syscall.h>
+#include <sys/utsname.h>
#include <unistd.h>
/* kmod_elf_get_section() is not exported, we need the private header */
@@ -280,6 +281,25 @@ long init_module(void *mem, unsigned long len, const char *args)
return err;
}
+static int check_kernel_version(int major, int minor)
+{
+ struct utsname u;
+ const char *p;
+ int maj = 0, min = 0;
+
+ if (uname(&u) < 0)
+ return false;
+ for (p = u.release; *p >= '0' && *p <= '9'; p++)
+ maj = maj * 10 + *p - '0';
+ if (*p == '.')
+ for (p++; *p >= '0' && *p <= '9'; p++)
+ min = min * 10 + *p - '0';
+ if (maj > major || (maj == major && min >= minor))
+ return true;
+ return false;
+}
+
+
TS_EXPORT int finit_module(const int fd, const char *args, const int flags);
int finit_module(const int fd, const char *args, const int flags)
@@ -289,6 +309,11 @@ int finit_module(const int fd, const char *args, const int flags)
unsigned long len;
struct stat st;
+ if (!check_kernel_version(3, 8)) {
+ stat("/old/kernel", &st);
+ errno = ENOSYS;
+ return -1;
+ }
if (fstat(fd, &st) < 0)
return -1;
--
1.7.3.1
--
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