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Diffstat (limited to 'reftable/blocksource.c')
-rw-r--r--reftable/blocksource.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/reftable/blocksource.c b/reftable/blocksource.c
index bba4a45b98..02972c46f4 100644
--- a/reftable/blocksource.c
+++ b/reftable/blocksource.c
@@ -98,7 +98,7 @@ static struct reftable_block_source_vtable file_vtable = {
int reftable_block_source_from_file(struct reftable_block_source *bs,
const char *name)
{
- struct file_block_source *p;
+ struct file_block_source *p = NULL;
struct stat st;
int fd, err;
@@ -122,7 +122,12 @@ int reftable_block_source_from_file(struct reftable_block_source *bs,
}
p->size = st.st_size;
- p->data = xmmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+ p->data = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+ if (p->data == MAP_FAILED) {
+ err = REFTABLE_IO_ERROR;
+ p->data = NULL;
+ goto out;
+ }
assert(!bs->ops);
bs->ops = &file_vtable;
@@ -135,5 +140,5 @@ out:
close(fd);
if (err < 0)
reftable_free(p);
- return 0;
+ return err;
}