diff options
author | Jakub Kicinski <kuba@kernel.org> | 2023-08-25 18:35:08 -0700 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2023-08-25 18:35:09 -0700 |
commit | 1fa6ffad12753ea49e05f8ee1bc7e40684bdaca7 (patch) | |
tree | b081f56622013dfdaef1a5a3f65bddd4aebe88e5 /drivers/net/wireless/ath/ath9k/debug.c | |
parent | 3db34747631161b24241b2dae06d8e3e69cf7d8b (diff) | |
parent | 4dddbad8907bc2ecda6e3714de3ea0a27b90a7d3 (diff) |
Merge tag 'wireless-next-2023-08-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.6
The second pull request for v6.6, this time with both stack and driver
changes. Unusually we have only one major new feature but lots of
small cleanup all over, I guess this is due to people have been on
vacation the last month.
Major changes:
rtw89
- Introduce Time Averaged SAR (TAS) support
* tag 'wireless-next-2023-08-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (114 commits)
wifi: rtlwifi: rtl8723: Remove unused function rtl8723_cmd_send_packet()
wifi: rtw88: usb: kill and free rx urbs on probe failure
wifi: rtw89: Fix clang -Wimplicit-fallthrough in rtw89_query_sar()
wifi: rtw89: phy: modify register setting of ENV_MNTR, PHYSTS and DIG
wifi: rtw89: phy: add phy_gen_def::cr_base to support WiFi 7 chips
wifi: rtw89: mac: define register address of rx_filter to generalize code
wifi: rtw89: mac: define internal memory address for WiFi 7 chip
wifi: rtw89: mac: generalize code to indirectly access WiFi internal memory
wifi: rtw89: mac: add mac_gen_def::band1_offset to map MAC band1 register address
wifi: wlcore: sdio: Use module_sdio_driver macro to simplify the code
wifi: rtw89: initialize multi-channel handling
wifi: rtw89: provide functions to configure NoA for beacon update
wifi: rtw89: call rtw89_chan_get() by vif chanctx if aware of vif
wifi: rtw89: sar: let caller decide the center frequency to query
wifi: rtw89: refine rtw89_correct_cck_chan() by rtw89_hw_to_nl80211_band()
wifi: rtw89: add function prototype for coex request duration
Fix nomenclature for USB and PCI wireless devices
wifi: ath: Use is_multicast_ether_addr() to check multicast Ether address
wifi: ath12k: Remove unused declarations
wifi: ath12k: add check max message length while scanning with extraie
...
====================
Link: https://lore.kernel.org/r/20230825132230.A0833C433C8@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 108 |
1 files changed, 34 insertions, 74 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index fb7a2952d0ce..9bc57c5a89bf 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -96,21 +96,16 @@ static ssize_t read_file_debug(struct file *file, char __user *user_buf, } static ssize_t write_file_debug(struct file *file, const char __user *user_buf, - size_t count, loff_t *ppos) + size_t count, loff_t *ppos) { struct ath_softc *sc = file->private_data; struct ath_common *common = ath9k_hw_common(sc->sc_ah); unsigned long mask; - char buf[32]; - ssize_t len; + ssize_t ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - - buf[len] = '\0'; - if (kstrtoul(buf, 0, &mask)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, &mask); + if (ret) + return ret; common->debug_mask = mask; return count; @@ -191,16 +186,11 @@ static ssize_t write_file_ani(struct file *file, struct ath_softc *sc = file->private_data; struct ath_common *common = ath9k_hw_common(sc->sc_ah); unsigned long ani; - char buf[32]; - ssize_t len; + ssize_t ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - - buf[len] = '\0'; - if (kstrtoul(buf, 0, &ani)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, &ani); + if (ret) + return ret; if (ani > 1) return -EINVAL; @@ -248,20 +238,15 @@ static ssize_t write_file_bt_ant_diversity(struct file *file, struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps; unsigned long bt_ant_diversity; - char buf[32]; - ssize_t len; + ssize_t ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; + ret = kstrtoul_from_user(user_buf, count, 0, &bt_ant_diversity); + if (ret) + return ret; if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV)) goto exit; - buf[len] = '\0'; - if (kstrtoul(buf, 0, &bt_ant_diversity)) - return -EINVAL; - common->bt_ant_diversity = !!bt_ant_diversity; ath9k_ps_wakeup(sc); ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity); @@ -792,16 +777,11 @@ static ssize_t write_file_reset(struct file *file, struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); unsigned long val; - char buf[32]; - ssize_t len; - - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; + ssize_t ret; - buf[len] = '\0'; - if (kstrtoul(buf, 0, &val)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, &val); + if (ret) + return ret; if (val != 1) return -EINVAL; @@ -886,16 +866,11 @@ static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, { struct ath_softc *sc = file->private_data; unsigned long regidx; - char buf[32]; - ssize_t len; + ssize_t ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - - buf[len] = '\0'; - if (kstrtoul(buf, 0, ®idx)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, ®idx); + if (ret) + return ret; sc->debug.regidx = regidx; return count; @@ -931,16 +906,11 @@ static ssize_t write_file_regval(struct file *file, const char __user *user_buf, struct ath_softc *sc = file->private_data; struct ath_hw *ah = sc->sc_ah; unsigned long regval; - char buf[32]; - ssize_t len; - - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; + ssize_t ret; - buf[len] = '\0'; - if (kstrtoul(buf, 0, ®val)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, ®val); + if (ret) + return ret; ath9k_ps_wakeup(sc); REG_WRITE_D(ah, sc->debug.regidx, regval); @@ -1128,16 +1098,11 @@ static ssize_t write_file_wow(struct file *file, const char __user *user_buf, { struct ath_softc *sc = file->private_data; unsigned long val; - char buf[32]; - ssize_t len; - - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; + ssize_t ret; - buf[len] = '\0'; - if (kstrtoul(buf, 0, &val)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, &val); + if (ret) + return ret; if (val != 1) return -EINVAL; @@ -1191,17 +1156,12 @@ static ssize_t write_file_tpc(struct file *file, const char __user *user_buf, struct ath_softc *sc = file->private_data; struct ath_hw *ah = sc->sc_ah; unsigned long val; - char buf[32]; - ssize_t len; + ssize_t ret; bool tpc_enabled; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - - buf[len] = '\0'; - if (kstrtoul(buf, 0, &val)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, &val); + if (ret) + return ret; if (val > 1) return -EINVAL; @@ -1420,7 +1380,7 @@ int ath9k_init_debug(struct ath_hw *ah) sc->debug.debugfs_phy = debugfs_create_dir("ath9k", sc->hw->wiphy->debugfsdir); - if (!sc->debug.debugfs_phy) + if (IS_ERR(sc->debug.debugfs_phy)) return -ENOMEM; #ifdef CONFIG_ATH_DEBUG |