diff options
| -rw-r--r-- | kexec/kexec-iomem.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/kexec/kexec-iomem.c b/kexec/kexec-iomem.c index b5b52b1c..d00b6b61 100644 --- a/kexec/kexec-iomem.c +++ b/kexec/kexec-iomem.c @@ -42,6 +42,9 @@ int kexec_iomem_for_each_line(char *match, int count; int nr = 0, ret; + if (!callback) + return nr; + fp = fopen(iomem, "r"); if (!fp) die("Cannot open %s\n", iomem); @@ -53,13 +56,11 @@ int kexec_iomem_for_each_line(char *match, str = line + consumed; size = end - start + 1; if (!match || memcmp(str, match, strlen(match)) == 0) { - if (callback) { - ret = callback(data, nr, str, start, size); - if (ret < 0) - break; - else if (ret == 0) - nr++; - } + ret = callback(data, nr, str, start, size); + if (ret < 0) + break; + else if (ret == 0) + nr++; } } |