diff options
Diffstat (limited to 'drivers/net/bonding/bond_main.c')
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 3ede0a2e6860..379c5d87c804 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4540,18 +4540,27 @@ static void bond_free_all(void) /* * Convert string input module parms. Accept either the - * number of the mode or its string name. + * number of the mode or its string name. A bit complicated because + * some mode names are substrings of other names, and calls from sysfs + * may have whitespace in the name (trailing newlines, for example). */ -int bond_parse_parm(char *mode_arg, struct bond_parm_tbl *tbl) +int bond_parse_parm(const char *buf, struct bond_parm_tbl *tbl) { - int i; + int mode = -1, i, rv; + char modestr[BOND_MAX_MODENAME_LEN + 1] = { 0, }; + + rv = sscanf(buf, "%d", &mode); + if (!rv) { + rv = sscanf(buf, "%20s", modestr); + if (!rv) + return -1; + } for (i = 0; tbl[i].modename; i++) { - if ((isdigit(*mode_arg) && - tbl[i].mode == simple_strtol(mode_arg, NULL, 0)) || - (strcmp(mode_arg, tbl[i].modename) == 0)) { + if (mode == tbl[i].mode) + return tbl[i].mode; + if (strcmp(modestr, tbl[i].modename) == 0) return tbl[i].mode; - } } return -1; |