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Merge branch 'nd/index-errno'

Assignments to errno before calling system functions that used to
matter in the old code were left behind after the code structure
changed sufficiently to make them useless.

* nd/index-errno:
  read_index_from: remove bogus errno assignments
This commit is contained in:
Junio C Hamano 2012-08-22 11:51:42 -07:00
commit d0ae7e2e71

@ -1414,11 +1414,9 @@ int read_index_from(struct index_state *istate, const char *path)
size_t mmap_size;
struct strbuf previous_name_buf = STRBUF_INIT, *previous_name;
errno = EBUSY;
if (istate->initialized)
return istate->cache_nr;
errno = ENOENT;
istate->timestamp.sec = 0;
istate->timestamp.nsec = 0;
fd = open(path, O_RDONLY);
@ -1431,15 +1429,14 @@ int read_index_from(struct index_state *istate, const char *path)
if (fstat(fd, &st))
die_errno("cannot stat the open index");
errno = EINVAL;
mmap_size = xsize_t(st.st_size);
if (mmap_size < sizeof(struct cache_header) + 20)
die("index file smaller than expected");
mmap = xmmap(NULL, mmap_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
close(fd);
if (mmap == MAP_FAILED)
die_errno("unable to map index file");
close(fd);
hdr = mmap;
if (verify_hdr(hdr, mmap_size) < 0)
@ -1495,7 +1492,6 @@ int read_index_from(struct index_state *istate, const char *path)
unmap:
munmap(mmap, mmap_size);
errno = EINVAL;
die("index file corrupt");
}