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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2023-07-22 19:47:24 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-07-24 14:43:12 +0300 |
| commit | 24b1b5d85c1c1e1c0eb7b6d7b6986ecb6c80041d (patch) | |
| tree | b21d0c83e768dc5b9d5582b079d92cf2fda8b2cb /drivers/infiniband | |
| parent | 0b5eed06832c87275ee67f69a943d811b1fe066d (diff) | |
| download | linux-24b1b5d85c1c1e1c0eb7b6d7b6986ecb6c80041d.tar.xz | |
IB/hfi1: Use struct_size()
Use struct_size() instead of hand-writing it, when allocating a structure
with a flex array.
This is less verbose, more robust and more informative.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/f4618a67d5ae0a30eb3f2b4558c8cc790feed79a.1690044376.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/pio.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c index 62e7dc9bea7b..dfea53e0fdeb 100644 --- a/drivers/infiniband/hw/hfi1/pio.c +++ b/drivers/infiniband/hw/hfi1/pio.c @@ -1893,9 +1893,7 @@ int pio_map_init(struct hfi1_devdata *dd, u8 port, u8 num_vls, u8 *vl_scontexts) vl_scontexts[i] = sc_per_vl + (extra > 0 ? 1 : 0); } /* build new map */ - newmap = kzalloc(sizeof(*newmap) + - roundup_pow_of_two(num_vls) * - sizeof(struct pio_map_elem *), + newmap = kzalloc(struct_size(newmap, map, roundup_pow_of_two(num_vls)), GFP_KERNEL); if (!newmap) goto bail; @@ -1910,9 +1908,8 @@ int pio_map_init(struct hfi1_devdata *dd, u8 port, u8 num_vls, u8 *vl_scontexts) int sz = roundup_pow_of_two(vl_scontexts[i]); /* only allocate once */ - newmap->map[i] = kzalloc(sizeof(*newmap->map[i]) + - sz * sizeof(struct - send_context *), + newmap->map[i] = kzalloc(struct_size(newmap->map[i], + ksc, sz), GFP_KERNEL); if (!newmap->map[i]) goto bail; |