diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/debug.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index ebb9c237a0d5..4cccc29964f6 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -239,6 +239,9 @@ static ssize_t read_file_beacon(struct file *file, char __user *user_buf, "TSF\t\t0x%016llx\tTU: %08x\n", (unsigned long long)tsf, TSF_TO_TU(tsf)); + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -334,6 +337,9 @@ static ssize_t read_file_debug(struct file *file, char __user *user_buf, sc->debug.level == dbg_info[i].level ? '+' : ' ', dbg_info[i].level, dbg_info[i].desc); + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -433,6 +439,9 @@ static ssize_t read_file_antenna(struct file *file, char __user *user_buf, len += snprintf(buf+len, sizeof(buf)-len, "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v); + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -542,6 +551,9 @@ static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf, len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%d]\n", st->tx_all_count); + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -681,6 +693,9 @@ static ssize_t read_file_ani(struct file *file, char __user *user_buf, ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX - ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2))); + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -766,6 +781,9 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf, len += snprintf(buf+len, sizeof(buf)-len, " len: %d\n", n); } + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } |