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Fix podman port -l

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Running 'podman port -l' on a system without any containers created
gives:

 $ podman port -l
 panic: runtime error: invalid memory address or nil pointer dereference
 [signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0xf3cef1]

 goroutine 1 [running]:
 github.com/containers/libpod/libpod.(*Container).State(0x0, 0x0, 0x0, 0x0)
 	/share/go/src/github.com/containers/libpod/libpod/container.go:658 +0x41
 main.portCmd(0xc420094580, 0x0, 0x0)
 	/share/go/src/github.com/containers/libpod/cmd/podman/port.go:118 +0x406

This fixes it by making sure the variable 'containers' is nil and not [<nil>].

Signed-off-by: Adrian Reber <areber@redhat.com>
This commit is contained in:
Adrian Reber
2018-10-17 06:44:24 +00:00
committed by Adrian Reber
parent 0fefe3b191
commit bb98a9cd2f
1 changed files with 3 additions and 0 deletions
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3
cmd/podman/port.go
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@ -104,6 +104,9 @@ func portCmd(c *cli.Context) error {
containers = append(containers, container)
} else if c.Bool("latest") {
container, err = runtime.GetLatestContainer()
if err != nil {
return errors.Wrapf(err, "unable to get last created container")
}
containers = append(containers, container)
} else {
containers, err = runtime.GetRunningContainers()