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| author | Sami Kerola | 2014-07-13 18:36:33 +0200 |
|---|---|---|
| committer | Sami Kerola | 2014-07-13 19:35:32 +0200 |
| commit | 9cbf20040b2f8af98dcff0fc889208dde50e3dd4 (patch) | |
| tree | 1aaa2ded7ce3c50087fe77964a90a000426301e8 /disk-utils/mkfs.cramfs.c | |
| parent | fdformat: match variable and print format types (diff) | |
| download | kernel-qcow2-util-linux-9cbf20040b2f8af98dcff0fc889208dde50e3dd4.tar.gz kernel-qcow2-util-linux-9cbf20040b2f8af98dcff0fc889208dde50e3dd4.tar.xz kernel-qcow2-util-linux-9cbf20040b2f8af98dcff0fc889208dde50e3dd4.zip | |
mkfs.cramfs: use defined failure name rather than magic value
From manual page; 'On error, the value MAP_FAILED is returned, and errno
is set appropriately'.
Reference: http://man7.org/linux/man-pages/man2/mmap.2.html
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'disk-utils/mkfs.cramfs.c')
| -rw-r--r-- | disk-utils/mkfs.cramfs.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/disk-utils/mkfs.cramfs.c b/disk-utils/mkfs.cramfs.c index 6f412d888..bae68ecb3 100644 --- a/disk-utils/mkfs.cramfs.c +++ b/disk-utils/mkfs.cramfs.c @@ -167,11 +167,9 @@ do_mmap(char *path, unsigned int size, unsigned int mode){ } start = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0); - if (-1 == (int) (long) start) { - close(fd); - err(MKFS_EX_ERROR, "mmap"); - } close(fd); + if (start == MAP_FAILED) + err(MKFS_EX_ERROR, "mmap"); return start; err: free(start); |