diff options
Diffstat (limited to 'util/misc_util.c')
| -rw-r--r-- | util/misc_util.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/util/misc_util.c b/util/misc_util.c index 63c0fead2a..3e4ff71f0f 100644 --- a/util/misc_util.c +++ b/util/misc_util.c @@ -8,6 +8,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <sys/utsname.h> #include "comm-host.h" #include "misc_util.h" @@ -133,3 +134,39 @@ int ec_cmd_version_supported(int cmd, int ver) return (mask & EC_VER_MASK(ver)) ? 1 : 0; } + +/** + * Return 1 is the current kernel version is greater or equal to + * <major>.<minor>.<sublevel> + */ +int kernel_version_ge(int major, int minor, int sublevel) +{ + struct utsname uts; + int atoms, kmajor, kminor, ksublevel; + + if (uname(&uts) < 0) + return -1; + atoms = sscanf(uts.release, "%d.%d.%d", &kmajor, &kminor, &ksublevel); + if (atoms < 1) + return -1; + + if (kmajor > major) + return 1; + if (kmajor < major) + return 0; + + /* kmajor == major */ + if (atoms < 2) + return 0 == minor && 0 == sublevel; + if (kminor > minor) + return 1; + if (kminor < minor) + return 0; + + /* kminor == minor */ + if (atoms < 3) + return 0 == sublevel; + + return ksublevel >= sublevel; +} + |