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asm/error.c: handle warning "all" correctly

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warning_alias[0] is "all". It is represented in the loop by
value == NULL; WARN_IDX_ALL does not have an entry in warning_state[]
and so trying to poke it is an error.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin (Intel)
2020-06-04 15:46:31 -07:00
parent b1ef4345a9
commit 12df4dd12f
1 changed files with 6 additions and 2 deletions
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8
asm/error.c
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@@ -241,8 +241,12 @@ bool set_warning_status(const char *value)
vlen = value ? strlen(value) : 0;
/* This is inefficient, but it shouldn't matter... */
for (wa = warning_alias; wa < &warning_alias[NUM_WARNING_ALIAS]; wa++) {
/*
* This is inefficient, but it shouldn't matter.
* Note: warning_alias[0] is "all".
*/
for (wa = warning_alias+1;
wa < &warning_alias[NUM_WARNING_ALIAS]; wa++) {
enum warn_index i = wa->warning;
if (value) {