diff options
| -rw-r--r-- | kexec/kernel_version.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/kexec/kernel_version.c b/kexec/kernel_version.c index 079312bc..21fb13ad 100644 --- a/kexec/kernel_version.c +++ b/kexec/kernel_version.c @@ -31,21 +31,20 @@ long kernel_version(void) } minor = strtoul(p, &p, 10); - if (major == ULONG_MAX) { + if (minor == ULONG_MAX) { fprintf(stderr, "strtoul failed: %s\n", strerror(errno)); return -1; } - if (*p++ != '.') { - fprintf(stderr, "Unsupported utsname.release: %s\n", - utsname.release); - return -1; - } - - patch = strtoul(p, &p, 10); - if (major == ULONG_MAX) { - fprintf(stderr, "strtoul failed: %s\n", strerror(errno)); - return -1; + /* There may or may not be a patch level for this kernel */ + if (*p++ == '.') { + patch = strtoul(p, &p, 10); + if (patch == ULONG_MAX) { + fprintf(stderr, "strtoul failed: %s\n",strerror(errno)); + return -1; + } + } else { + patch = 0; } if (major >= 256 || minor >= 256 || patch >= 256) { |