diff options
Diffstat (limited to 'package/kernel/mac80211/patches/ath11k/0021-wifi-ath11k-use-kstrtoul_from_user-where-appropriate.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/ath11k/0021-wifi-ath11k-use-kstrtoul_from_user-where-appropriate.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/ath11k/0021-wifi-ath11k-use-kstrtoul_from_user-where-appropriate.patch b/package/kernel/mac80211/patches/ath11k/0021-wifi-ath11k-use-kstrtoul_from_user-where-appropriate.patch new file mode 100644 index 00000000000..7a6b11b6d3f --- /dev/null +++ b/package/kernel/mac80211/patches/ath11k/0021-wifi-ath11k-use-kstrtoul_from_user-where-appropriate.patch @@ -0,0 +1,60 @@ +From 458f66c30df2b8495790cf6fca76ebad44046921 Mon Sep 17 00:00:00 2001 +From: Dmitry Antipov <dmantipov@yandex.ru> +Date: Thu, 21 Sep 2023 11:16:57 +0300 +Subject: [PATCH] wifi: ath11k: use kstrtoul_from_user() where appropriate + +Use 'kstrtoul_from_user()' in 'ath11k_write_file_spectral_count()' +and 'ath11k_write_file_spectral_bins()' + +Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru> +Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com> +Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> +Link: https://lore.kernel.org/r/20230824075121.121144-4-dmantipov@yandex.ru +--- + drivers/net/wireless/ath/ath11k/spectral.c | 26 +++++++--------------- + 1 file changed, 8 insertions(+), 18 deletions(-) + +--- a/drivers/net/wireless/ath/ath11k/spectral.c ++++ b/drivers/net/wireless/ath/ath11k/spectral.c +@@ -386,16 +386,11 @@ static ssize_t ath11k_write_file_spectra + { + struct ath11k *ar = 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 > ATH11K_SPECTRAL_SCAN_COUNT_MAX) + return -EINVAL; +@@ -441,16 +436,11 @@ static ssize_t ath11k_write_file_spectra + { + struct ath11k *ar = 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 < ATH11K_SPECTRAL_MIN_BINS || + val > ar->ab->hw_params.spectral.max_fft_bins) |