From 7ddcd75596cf124d84cfe9f36ea877e7d87f9dcc Mon Sep 17 00:00:00 2001 From: Dmitry Antipov Date: Thu, 23 Jul 2026 10:16:29 +0300 Subject: RDMA/bnxt_re: simplify bnxt_re_cc_config_set() and cq_coal_cfg_write() Simplify 'bnxt_re_cc_config_set()' and 'cq_coal_cfg_write()' by using the convenient 'kstrtou32_from_user()'. Signed-off-by: Dmitry Antipov Link: https://patch.msgid.link/20260723071629.568675-1-dmantipov@yandex.ru Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/bnxt_re/debugfs.c | 31 +++++++------------------------ 1 file changed, 7 insertions(+), 24 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/debugfs.c b/drivers/infiniband/hw/bnxt_re/debugfs.c index 143e9bfc6b79..efcfec8ec25c 100644 --- a/drivers/infiniband/hw/bnxt_re/debugfs.c +++ b/drivers/infiniband/hw/bnxt_re/debugfs.c @@ -308,21 +308,12 @@ static ssize_t bnxt_re_cc_config_set(struct file *filp, const char __user *buffe struct bnxt_re_dev *rdev = dbg_cc_param->rdev; u32 offset = dbg_cc_param->offset; u8 cc_gen = dbg_cc_param->cc_gen; - char buf[16]; u32 val; int rc; - if (count >= sizeof(buf)) - return -EINVAL; - - if (copy_from_user(buf, buffer, count)) - return -EFAULT; - - buf[count] = '\0'; - if (kstrtou32(buf, 0, &val)) - return -EINVAL; - - rc = bnxt_re_configure_cc(rdev, cc_gen, offset, val); + rc = kstrtou32_from_user(buffer, count, 0, &val); + if (!rc) + rc = bnxt_re_configure_cc(rdev, cc_gen, offset, val); return rc ? rc : count; } @@ -374,20 +365,12 @@ static ssize_t cq_coal_cfg_write(struct file *file, struct seq_file *s = file->private_data; struct bnxt_re_cq_coal_param *param = s->private; struct bnxt_re_dev *rdev = param->rdev; - int offset = param->offset; - char lbuf[16] = { }; + int ret, offset = param->offset; u32 val; - if (count > sizeof(lbuf)) - return -EINVAL; - - if (copy_from_user(lbuf, buf, count)) - return -EFAULT; - - lbuf[sizeof(lbuf) - 1] = '\0'; - - if (kstrtou32(lbuf, 0, &val)) - return -EINVAL; + ret = kstrtou32_from_user(buf, count, 0, &val); + if (ret) + return ret; switch (offset) { case BNXT_RE_COAL_CQ_BUF_MAXTIME: -- cgit v1.2.3