From b3245f700ae2e9f0ecbcf36b8908f6460db91202 Mon Sep 17 00:00:00 2001 From: Peter Colberg Date: Tue, 19 Nov 2024 20:10:27 -0500 Subject: [PATCH] fpga: dfl: convert features from flexible array member to separate array Use a separate array allocation for features and substitute a pointer for the flexible array member in the feature device data. A subsequent commit will add another array for resources. The current commit converts the flexible array member to a separate allocation for consistency. Signed-off-by: Peter Colberg Reviewed-by: Matthew Gerlach Reviewed-by: Basheer Ahmed Muddebihal Acked-by: Xu Yilun Link: https://lore.kernel.org/r/20241120011035.230574-12-peter.colberg@intel.com Signed-off-by: Xu Yilun --- drivers/fpga/dfl.c | 7 ++++++- drivers/fpga/dfl.h | 2 +- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index 1d1f2330beef..3015dfc1d552 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -752,10 +752,15 @@ binfo_create_feature_dev_data(struct build_feature_devs_info *binfo) if (WARN_ON_ONCE(type >= DFL_ID_MAX)) return ERR_PTR(-EINVAL); - fdata = devm_kzalloc(binfo->dev, struct_size(fdata, features, binfo->feature_num), GFP_KERNEL); + fdata = devm_kzalloc(binfo->dev, sizeof(*fdata), GFP_KERNEL); if (!fdata) return ERR_PTR(-ENOMEM); + fdata->features = devm_kcalloc(binfo->dev, binfo->feature_num, + sizeof(*fdata->features), GFP_KERNEL); + if (!fdata->features) + return ERR_PTR(-ENOMEM); + fdata->dev = fdev; fdata->type = type; fdata->num = binfo->feature_num; diff --git a/drivers/fpga/dfl.h b/drivers/fpga/dfl.h index bcbdfcdb9742..d2765555e109 100644 --- a/drivers/fpga/dfl.h +++ b/drivers/fpga/dfl.h @@ -330,7 +330,7 @@ struct dfl_feature_dev_data { int open_count; void *private; int num; - struct dfl_feature features[]; + struct dfl_feature *features; }; /** -- 2.25.1