mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-27 23:20:26 +09:00
env: throw an error when an empty key is used
If the environment contains an entry like "=value" "\0" we should throw an error when parsing the environment. Otherwise, U-Boot will enter in an infinite loop. Signed-off-by: Lucian Cojocar <cojocar@gmail.com>
This commit is contained in:
parent
d642c467a0
commit
e4fdcadd8a
@ -901,6 +901,12 @@ int himport_r(struct hsearch_data *htab,
|
|||||||
*sp++ = '\0'; /* terminate value */
|
*sp++ = '\0'; /* terminate value */
|
||||||
++dp;
|
++dp;
|
||||||
|
|
||||||
|
if (*name == 0) {
|
||||||
|
debug("INSERT: unable to use an empty key\n");
|
||||||
|
__set_errno(EINVAL);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
/* Skip variables which are not supposed to be processed */
|
/* Skip variables which are not supposed to be processed */
|
||||||
if (!drop_var_from_set(name, nvars, localvars))
|
if (!drop_var_from_set(name, nvars, localvars))
|
||||||
continue;
|
continue;
|
||||||
|
Loading…
Reference in New Issue
Block a user