From e8459c12fd2e9b4068041a931ce6da62ac648000 Mon Sep 17 00:00:00 2001 From: Marek Behún Date: Thu, 4 Nov 2021 00:23:22 +0100 Subject: env: Fix env_get() when returning empty string using env_get_f() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The env_get_f() function returns -1 on failure. Returning 0 means that the variable exists, and is empty string. Signed-off-by: Marek Behún Reviewed-by: Simon Glass --- env/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/env/common.c b/env/common.c index 2aa23545ba..757c5f9ecd 100644 --- a/env/common.c +++ b/env/common.c @@ -125,7 +125,7 @@ char *env_get(const char *name) } /* restricted capabilities before import */ - if (env_get_f(name, (char *)(gd->env_buf), sizeof(gd->env_buf)) > 0) + if (env_get_f(name, (char *)(gd->env_buf), sizeof(gd->env_buf)) >= 0) return (char *)(gd->env_buf); return NULL; -- cgit v1.2.3