From 9c4615fb09f559642742d3698ecb5a430c698230 Mon Sep 17 00:00:00 2001 From: Zbigniew Jędrzejewski-Szmek Date: Tue, 12 Jan 2016 17:25:23 -0500 Subject: 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. --- src/basic/btrfs-util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/basic/btrfs-util.c') 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; -- cgit v1.2.3-54-g00ecf