btrfs-progs: check for negative return value from ioctl
authorDavid Sterba <dsterba@suse.com>
Tue, 12 Jan 2016 12:35:50 +0000 (13:35 +0100)
committerDavid Sterba <dsterba@suse.com>
Tue, 12 Jan 2016 14:02:55 +0000 (15:02 +0100)
commitac4ec4d4f44e67fc3d1fd806cf7acbe2485cedee
tree434f39155069a914bc76d3e9fdca87a331012b7a
parent633dc6f80f201afdf5b8524ae377187d58f0ef3b
btrfs-progs: check for negative return value from ioctl

Handle only negative values returned by ioctl syscalls, with exception
of the device remove. It returns positive values that are handled later.

Signed-off-by: David Sterba <dsterba@suse.com>
btrfs-list.c
cmds-device.c
cmds-fi-usage.c
cmds-filesystem.c
cmds-inspect.c
cmds-receive.c
cmds-replace.c
cmds-send.c
send-test.c
send-utils.c
utils.c