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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-09-21 14:18:33 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-09-21 14:18:35 +0200 |
| commit | c6bdbf6e93a11227f91fbf15b7a36dceb60c526d (patch) | |
| tree | 9ab0f7472fca0a91ecd0f41d3b1caf167ff34f2d /commands/loadenv.c | |
| parent | 16a3b9f241861aaf7ddd6f284e111aad291c508f (diff) | |
| download | barebox-c6bdbf6e93a11227f91fbf15b7a36dceb60c526d.tar.gz barebox-c6bdbf6e93a11227f91fbf15b7a36dceb60c526d.tar.xz | |
environment: Allow default env path to be NULL
Several places assume that the default environment path cannot be NULL.
Allow NULL here without crashing.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'commands/loadenv.c')
| -rw-r--r-- | commands/loadenv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/commands/loadenv.c b/commands/loadenv.c index 6469affadb..bf01072c42 100644 --- a/commands/loadenv.c +++ b/commands/loadenv.c @@ -61,6 +61,10 @@ static int do_loadenv(int argc, char *argv[]) if (argc - optind < 1) { filename = default_environment_path_get(); + if (!filename) { + printf("Default environment path not set\n"); + return 1; + } } else { /* * /dev/defaultenv use to contain the defaultenvironment. |