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| author | Shinya Kuribayashi <shinya.kuribayashi@necel.com> | 2007-12-27 15:39:54 +0900 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-01-09 21:36:29 +0100 |
| commit | b9173af73e524d37c812f210173cf83385c5171a (patch) | |
| tree | 6ddb455d29111ffe66833a12bdbaa1038c737559 /common/cmd_mii.c | |
| parent | 3b93020d74630f0574cbd26d200a82c00dd11eaa (diff) | |
common/cmd_mii.c: Add sanity argc check
If type mii command without arguments, we suffer from uninitialized argv[]
entries; for example we MIPS get stuck by TLB error.
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Diffstat (limited to 'common/cmd_mii.c')
| -rw-r--r-- | common/cmd_mii.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/common/cmd_mii.c b/common/cmd_mii.c index f530a38421e..079612a4e65 100644 --- a/common/cmd_mii.c +++ b/common/cmd_mii.c @@ -438,6 +438,11 @@ int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) int rcode = 0; char *devname; + if (argc < 2) { + printf("Usage:\n%s\n", cmdtp->usage); + return 1; + } + #if defined(CONFIG_8xx) || defined(CONFIG_MCF532x) mii_init (); #endif |