This should return an error code instead of the number of bytes remaining to be copied.
Signed-off-by: Dan Carpenter <[email protected]> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c index a550a8e..4273c06 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c @@ -148,7 +148,6 @@ static ssize_t average_read(struct file *filp, char __user *buf, size_t count, struct mlx5_cmd_stats *stats; u64 field = 0; int ret; - int err; char tbuf[22]; if (*pos) @@ -161,9 +160,8 @@ static ssize_t average_read(struct file *filp, char __user *buf, size_t count, spin_unlock(&stats->lock); ret = snprintf(tbuf, sizeof(tbuf), "%llu\n", field); if (ret > 0) { - err = copy_to_user(buf, tbuf, ret); - if (err) - return err; + if (copy_to_user(buf, tbuf, ret)) + return -EFAULT; } *pos += ret; @@ -418,7 +416,6 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count, char tbuf[18]; u64 field; int ret; - int err; if (*pos) return 0; @@ -445,9 +442,8 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count, ret = snprintf(tbuf, sizeof(tbuf), "0x%llx\n", field); if (ret > 0) { - err = copy_to_user(buf, tbuf, ret); - if (err) - return err; + if (copy_to_user(buf, tbuf, ret)) + return -EFAULT; } *pos += ret; -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
