diff options
Diffstat (limited to 'util/mmap-alloc.c')
| -rw-r--r-- | util/mmap-alloc.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/util/mmap-alloc.c b/util/mmap-alloc.c index 2fd8cbcc6f..fd329eccd8 100644 --- a/util/mmap-alloc.c +++ b/util/mmap-alloc.c @@ -50,19 +50,21 @@ size_t qemu_mempath_getpagesize(const char *mem_path) struct statfs fs; int ret; - do { - ret = statfs(mem_path, &fs); - } while (ret != 0 && errno == EINTR); - - if (ret != 0) { - fprintf(stderr, "Couldn't statfs() memory path: %s\n", - strerror(errno)); - exit(1); - } + if (mem_path) { + do { + ret = statfs(mem_path, &fs); + } while (ret != 0 && errno == EINTR); - if (fs.f_type == HUGETLBFS_MAGIC) { - /* It's hugepage, return the huge page size */ - return fs.f_bsize; + if (ret != 0) { + fprintf(stderr, "Couldn't statfs() memory path: %s\n", + strerror(errno)); + exit(1); + } + + if (fs.f_type == HUGETLBFS_MAGIC) { + /* It's hugepage, return the huge page size */ + return fs.f_bsize; + } } #ifdef __sparc__ /* SPARC Linux needs greater alignment than the pagesize */ |