reviewed-by: Anand Jain <anand.j...@oracle.com> On 11/07/2013 07:15 AM, Eric Sandeen wrote:
Even if it's "definitely" btrfs at this point, btrfs_scan_one_device could fail for other reasons. Check the return value, warn if it fails, and skip the device register. Resolves-Coverity-CID: 1125925 Signed-off-by: Eric Sandeen <sand...@redhat.com> --- utils.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/utils.c b/utils.c index 8471148..ecacc29 100644 --- a/utils.c +++ b/utils.c @@ -1937,6 +1937,7 @@ int test_skip_this_disk(char *path) int btrfs_scan_lblkid(int update_kernel) { int fd = -1; + int ret; u64 num_devices; struct btrfs_fs_devices *tmp_devices; blkid_dev_iterate iter = NULL; @@ -1965,8 +1966,14 @@ int btrfs_scan_lblkid(int update_kernel) printf("ERROR: could not open %s\n", path); continue; } - btrfs_scan_one_device(fd, path, &tmp_devices, + ret = btrfs_scan_one_device(fd, path, &tmp_devices, &num_devices, BTRFS_SUPER_INFO_OFFSET); + if (ret) { + printf("ERROR: could not scan %s\n", path); + close (fd); + continue; + } + close(fd); if (update_kernel) btrfs_register_one_device(path);
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