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kdb: Fix oops in kdb_unregister

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Nothing should try to use kdb_commands directly as sometimes it is
null.  Instead, use the for_each_kdbcmd() iterator.

This particular problem dates back to the initial kdb merge (2.6.35),
but at that point nothing was dynamically unregistering commands from
the kdb shell.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
This commit is contained in:
Jason Wessel 2010-10-11 10:20:14 -05:00
parent e3bda3ac33
commit 75d14edee5
1 changed files with 1 additions and 1 deletions
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2
kernel/debug/kdb/kdb_main.c
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@ -2826,7 +2826,7 @@ int kdb_unregister(char *cmd)
/*
* find the command.
*/
for (i = 0, kp = kdb_commands; i < kdb_max_commands; i++, kp++) {
for_each_kdbcmd(kp, i) {
if (kp->cmd_name && (strcmp(kp->cmd_name, cmd) == 0)) {
kp->cmd_name = NULL;
return 0;