diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-09-18 15:22:57 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-09-19 09:55:42 +0200 |
| commit | 37b5422784fffe2633e141b08222ac4bf5504929 (patch) | |
| tree | 078aa251ed297f345b2503977696b115b10569ba /arch | |
| parent | 537f6dab35f7b5e97cdaeca3081d76295644a517 (diff) | |
| download | barebox-37b5422784fffe2633e141b08222ac4bf5504929.tar.gz barebox-37b5422784fffe2633e141b08222ac4bf5504929.tar.xz | |
ARM: i.MX: bbu: Check retrun value of getenv()
Add code to make sure that getenv() returned correct result and bail
out if it failed.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/imx-bbu-internal.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx-bbu-internal.c b/arch/arm/mach-imx/imx-bbu-internal.c index 697e59f12f..faa2665720 100644 --- a/arch/arm/mach-imx/imx-bbu-internal.c +++ b/arch/arm/mach-imx/imx-bbu-internal.c @@ -415,6 +415,11 @@ static int imx_bbu_internal_mmcboot_update(struct bbu_handler *handler, return ret; bootpart = getenv(bootpartvar); + if (!bootpart) { + pr_err("Couldn't read the value of '%s'\n", bootpartvar); + ret = -ENOENT; + goto free_bootpartvar; + } if (!strcmp(bootpart, "boot0")) { bootpart = "boot1"; |