diff options
| -rw-r--r-- | sys-utils/fstrim.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys-utils/fstrim.c b/sys-utils/fstrim.c index 175717114..830556458 100644 --- a/sys-utils/fstrim.c +++ b/sys-utils/fstrim.c @@ -67,14 +67,20 @@ struct fstrim_control { /* returns: 0 = success, 1 = unsupported, < 0 = error */ static int fstrim_filesystem(struct fstrim_control *ctl, const char *path, const char *devname) { - int fd, rc; + int fd = -1, rc; struct stat sb; struct fstrim_range range; + char *rpath = realpath(path, NULL); + if (!rpath) { + warn(_("cannot get realpath: %s"), path); + rc = -errno; + goto done; + } /* kernel modifies the range */ memcpy(&range, &ctl->range, sizeof(range)); - fd = open(path, O_RDONLY); + fd = open(rpath, O_RDONLY); if (fd < 0) { warn(_("cannot open %s"), path); rc = -errno; @@ -129,6 +135,7 @@ static int fstrim_filesystem(struct fstrim_control *ctl, const char *path, const done: if (fd >= 0) close(fd); + free(rpath); return rc; } |