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nvmutil: even stronger double-run protection

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-18 00:29:33 +00:00
parent 2723a9ccd8
commit 6262826627
1 changed files with 8 additions and 8 deletions
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16
util/nvmutil/nvmutil.c
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@@ -746,18 +746,18 @@ good_checksum(unsigned long partnum)
void
run_cmd(void)
{
unsigned long cmd_num;
struct commands *cmd;
unsigned long i = x->i;
void (*run)(void) = x->cmd[i].run;
cmd_num = x->i;
cmd = &x->cmd[cmd_num];
check_command_num(i);
check_command_num(cmd_num);
if (run == NULL)
err(EINVAL, "Command %lu: null ptr", i);
if (cmd->run == NULL)
err(EINVAL, "Command %lu: null ptr", cmd_num);
run();
cmd->run();
for (i = 0; i < items(x->cmd); i++)
x->cmd[i].run = cmd_helper_err;
}
void