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resize-fs: Use xsprintf instead of snprintf

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This commit is contained in:
Benjamin Robin 2020-05-06 22:58:24 +02:00
parent 060d9c61b6
commit 683d0bc041
1 changed files with 1 additions and 3 deletions
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4
src/shared/resize-fs.c
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@ -41,7 +41,6 @@ int resize_fs(int fd, uint64_t sz, uint64_t *ret_size) {
*ret_size = u * sfs.f_bsize;
} else if (is_fs_type(&sfs, BTRFS_SUPER_MAGIC)) {
_unused_ int r;
struct btrfs_ioctl_vol_args args = {};
/* 256M is the minimize size enforced by the btrfs kernel code when resizing (which is
@ -54,8 +53,7 @@ int resize_fs(int fd, uint64_t sz, uint64_t *ret_size) {
sz -= sz % sfs.f_bsize;
r = snprintf(args.name, sizeof(args.name), "%" PRIu64, sz);
assert((size_t) r < sizeof(args.name));
xsprintf(args.name, "%" PRIu64, sz);
if (ioctl(fd, BTRFS_IOC_RESIZE, &args) < 0)
return -errno;