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log: check argument of 'log level' command
Check that the argument provided to the 'log level' command is in the range between zero and CONFIG_LOG_MAX_LEVEL. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
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parent
7b6c34cb15
commit
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1 changed files with 11 additions and 3 deletions
14
cmd/log.c
14
cmd/log.c
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@ -14,10 +14,18 @@ static char log_fmt_chars[LOGF_COUNT] = "clFLfm";
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static int do_log_level(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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if (argc > 1)
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gd->default_log_level = simple_strtol(argv[1], NULL, 10);
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else
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if (argc > 1) {
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long log_level = simple_strtol(argv[1], NULL, 10);
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if (log_level < 0 || log_level > _LOG_MAX_LEVEL) {
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printf("Only log levels <= %d are supported\n",
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_LOG_MAX_LEVEL);
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return CMD_RET_FAILURE;
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}
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gd->default_log_level = log_level;
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} else {
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printf("Default log level: %d\n", gd->default_log_level);
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}
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return 0;
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}
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