diff options
| author | Dmitry Chagin <dchagin@FreeBSD.org> | 2016-03-20 18:31:30 +0000 |
|---|---|---|
| committer | Dmitry Chagin <dchagin@FreeBSD.org> | 2016-03-20 18:31:30 +0000 |
| commit | 525c9796c39089332b5ae3ae87084d4b951f6785 (patch) | |
| tree | eb531a8beacc3610a1006a3105b013d5ac8e3064 /sys/compat/linux/linux_stats.c | |
| parent | f6b5fa42e4fe4fb8de3a42c1728dc2c85a38c75a (diff) | |
Notes
Diffstat (limited to 'sys/compat/linux/linux_stats.c')
| -rw-r--r-- | sys/compat/linux/linux_stats.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sys/compat/linux/linux_stats.c b/sys/compat/linux/linux_stats.c index f27e342f7a3d..7b4017eb626d 100644 --- a/sys/compat/linux/linux_stats.c +++ b/sys/compat/linux/linux_stats.c @@ -381,10 +381,22 @@ bsd_to_linux_ftype(const char *fstypename) return (0L); } -static void +static int bsd_to_linux_statfs(struct statfs *bsd_statfs, struct l_statfs *linux_statfs) { +#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) + uint64_t tmp; +#define LINUX_HIBITS 0xffffffff00000000ULL + + tmp = bsd_statfs->f_blocks | bsd_statfs->f_bfree | bsd_statfs->f_files | + bsd_statfs->f_bsize; + if ((bsd_statfs->f_bavail != -1 && (bsd_statfs->f_bavail & LINUX_HIBITS)) || + (bsd_statfs->f_ffree != -1 && (bsd_statfs->f_ffree & LINUX_HIBITS)) || + (tmp & LINUX_HIBITS)) + return (EOVERFLOW); +#undef LINUX_HIBITS +#endif linux_statfs->f_type = bsd_to_linux_ftype(bsd_statfs->f_fstypename); linux_statfs->f_bsize = bsd_statfs->f_bsize; linux_statfs->f_blocks = bsd_statfs->f_blocks; @@ -395,6 +407,8 @@ bsd_to_linux_statfs(struct statfs *bsd_statfs, struct l_statfs *linux_statfs) linux_statfs->f_fsid.val[0] = bsd_statfs->f_fsid.val[0]; linux_statfs->f_fsid.val[1] = bsd_statfs->f_fsid.val[1]; linux_statfs->f_namelen = MAXNAMLEN; + + return (0); } int |