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Fix ub_env_enum(): syscall() returns 0 when properly invoked.

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This commit is contained in:
Marcel Moolenaar 2009-12-18 21:12:37 +00:00
parent e6d84d057a
commit e7f42eade6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=200691
1 changed files with 3 additions and 4 deletions
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7
sys/boot/uboot/lib/glue.c
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@ -568,17 +568,16 @@ ub_env_enum(const char *last)
const char *env, *str;
int i;
env = NULL;
/*
* It's OK to pass only the name piece as last (and not the whole
* 'name=val' string), since the API_ENUM_ENV call uses envmatch()
* internally, which handles such case
*/
if (!syscall(API_ENV_ENUM, NULL, (uint32_t)last, (uint32_t)&env))
env = NULL;
if (syscall(API_ENV_ENUM, NULL, (uint32_t)last, (uint32_t)&env) != 0)
return (NULL);
if (!env)
if (env == NULL)
/* no more env. variables to enumerate */
return (NULL);