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drm/imagination: Use struct_size_t()

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The helpers for dealing with flexible structures exist, so let's use them.

Signed-off-by: Matt Coster <matt.coster@imgtec.com>
Reviewed-by: Alessio Belle <alessio.belle@imgtec.com>
Link: https://patch.msgid.link/20250709-flex-array-check-v1-2-8adeb0bf0cde@imgtec.com
Signed-off-by: Alessio Belle <alessio.belle@imgtec.com>
This commit is contained in:
Matt Coster 2025-07-09 11:04:10 +01:00 committed by Alessio Belle
parent f41ef8e3c6
commit b67ac31d7f
1 changed files with 5 additions and 6 deletions
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11
drivers/gpu/drm/imagination/pvr_queue.c
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@ -3,6 +3,7 @@
#include <drm/drm_managed.h>
#include <drm/gpu_scheduler.h>
#include <linux/overflow.h>
#include "pvr_cccb.h"
#include "pvr_context.h"
@ -36,9 +37,8 @@ static int get_xfer_ctx_state_size(struct pvr_device *pvr_dev)
return err;
}
return sizeof(struct rogue_fwif_frag_ctx_state) +
(num_isp_store_registers *
sizeof(((struct rogue_fwif_frag_ctx_state *)0)->frag_reg_isp_store[0]));
return struct_size_t(struct rogue_fwif_frag_ctx_state,
frag_reg_isp_store, num_isp_store_registers);
}
static int get_frag_ctx_state_size(struct pvr_device *pvr_dev)
@ -66,9 +66,8 @@ static int get_frag_ctx_state_size(struct pvr_device *pvr_dev)
return err;
}
return sizeof(struct rogue_fwif_frag_ctx_state) +
(num_isp_store_registers *
sizeof(((struct rogue_fwif_frag_ctx_state *)0)->frag_reg_isp_store[0]));
return struct_size_t(struct rogue_fwif_frag_ctx_state,
frag_reg_isp_store, num_isp_store_registers);
}
static int get_ctx_state_size(struct pvr_device *pvr_dev, enum drm_pvr_job_type type)