Commit 5fe5c830 authored by Shawn O. Pearce's avatar Shawn O. Pearce Committed by Junio C Hamano

Cleanup read_cache_from error handling.

When I converted the mmap() call to xmmap() I failed to cleanup the
way this routine handles errors and left some crufty code behind.
This is a small cleanup, suggested by Johannes.
Signed-off-by: default avatarShawn O. Pearce <[email protected]>
Signed-off-by: default avatarJunio C Hamano <[email protected]>
parent c4712e45
......@@ -793,16 +793,16 @@ int read_cache_from(const char *path)
die("index file open failed (%s)", strerror(errno));
}
cache_mmap = MAP_FAILED;
if (!fstat(fd, &st)) {
cache_mmap_size = st.st_size;
errno = EINVAL;
if (cache_mmap_size >= sizeof(struct cache_header) + 20)
cache_mmap = xmmap(NULL, cache_mmap_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
}
else
die("index file smaller than expected");
} else
die("cannot stat the open index (%s)", strerror(errno));
close(fd);
if (cache_mmap == MAP_FAILED)
die("index file mmap failed (%s)", strerror(errno));
hdr = cache_mmap;
if (verify_hdr(hdr, cache_mmap_size) < 0)
......
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