summaryrefslogtreecommitdiff
path: root/src/basic/btrfs-util.c
diff options
context:
space:
mode:
authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-01-12 17:25:23 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-01-18 14:25:19 -0500
commit9c4615fb09f559642742d3698ecb5a430c698230 (patch)
tree2fc38309accc48f0a01c50c12e330ab5baa26f27 /src/basic/btrfs-util.c
parentb3267152783d5784c45010615045d4e8ee459da2 (diff)
Use negative_errno() to assert errno is positive after a few system calls
This is not particularly intrusive because it happens in simple utility functions. It helps gcc understand that error codes are negative. This gets a rid of most of the remaining warnings.
Diffstat (limited to 'src/basic/btrfs-util.c')
-rw-r--r--src/basic/btrfs-util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/basic/btrfs-util.c b/src/basic/btrfs-util.c
index acd48f6954..d07d1df5a8 100644
--- a/src/basic/btrfs-util.c
+++ b/src/basic/btrfs-util.c
@@ -2051,7 +2051,7 @@ int btrfs_subvol_get_parent(int fd, uint64_t subvol_id, uint64_t *ret) {
args.key.nr_items = 256;
if (ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args) < 0)
- return -errno;
+ return negative_errno();
if (args.key.nr_items <= 0)
break;