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| author | Michal Simek <michal.simek@xilinx.com> | 2015-10-19 15:13:34 +0200 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2015-11-19 14:03:05 +0100 |
| commit | bdaeb8f23c6d5d11829072baaf0c0fe37c09f26a (patch) | |
| tree | 65233cb93028867ac8bbc3b893dac3bcabd490d5 /common/cmd_mii.c | |
| parent | f3bd72801aade1eb74e153bfa57c26f327571475 (diff) | |
common: mii: Do not allow to exceed max phy limit
Phy can have addresses 0-31. Check this boundary to ensure that user
can't call commands on phy address 32 and more.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.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 5e9079da04..7ef7532a50 100644 --- a/common/cmd_mii.c +++ b/common/cmd_mii.c @@ -314,6 +314,11 @@ static int do_mii(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) mask = simple_strtoul(argv[5], NULL, 16); } + if (addrhi > 31) { + printf("Incorrect PHY address. Range should be 0-31\n"); + return CMD_RET_USAGE; + } + /* use current device */ devname = miiphy_get_current_dev(); |