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Avoid dereferencing NULL in find_cmd() if no valid commands were found

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Patch by Andrew Dyer, 13 Jun 2005
This commit is contained in:
Wolfgang Denk
2006-03-12 02:20:55 +01:00
parent 6cb142fa3b
commit 1264b4050c
2 changed files with 9 additions and 3 deletions
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9
common/main.c
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@@ -919,7 +919,10 @@ int run_command (const char *cmd, int flag)
process_macros (token, finaltoken);
/* Extract arguments */
argc = parse_line (finaltoken, argv);
if ((argc = parse_line (finaltoken, argv)) == 0) {
rc = -1; /* no command at all */
continue;
}
/* Look up command in command table */
if ((cmdtp = find_cmd(argv[0])) == NULL) {
@@ -945,9 +948,9 @@ int run_command (const char *cmd, int flag)
puts ("'bootd' recursion detected\n");
rc = -1;
continue;
}
else
} else {
flag |= CMD_FLAG_BOOTD;
}
}
#endif /* CFG_CMD_BOOTD */