Am 08.04.22 um 12:07 schrieb Lijo Lazar:
Use flexible array member in ip discovery struct as recommended[1].
[1]
https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Lijo Lazar <lijo.la...@amd.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
---
v2 : Use struct_size (Christian)
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 2 +-
drivers/gpu/drm/amd/include/discovery.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 5a182288391b..766006a075ec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -430,7 +430,7 @@ static void amdgpu_discovery_read_harvest_bit_per_ip(struct
amdgpu_device *adev,
}
}
next_ip:
- ip_offset += sizeof(*ip) + 4 * (ip->num_base_address -
1);
+ ip_offset += struct_size(ip, base_address,
ip->num_base_address);
}
}
}
diff --git a/drivers/gpu/drm/amd/include/discovery.h
b/drivers/gpu/drm/amd/include/discovery.h
index a486769b66c6..b25026c3ec96 100644
--- a/drivers/gpu/drm/amd/include/discovery.h
+++ b/drivers/gpu/drm/amd/include/discovery.h
@@ -93,7 +93,7 @@ typedef struct ip
uint8_t harvest : 4; /* Harvest */
uint8_t reserved : 4; /* Placeholder field */
#endif
- uint32_t base_address[1]; /* variable number of Addresses */
+ uint32_t base_address[]; /* variable number of Addresses */
} ip;
typedef struct die_header
