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drm/amdkfd: Fix variable dereferenced before NULL check in 'kfd_dbg_trap_device_snapshot()'

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Fixes the below:
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_debug.c:1024 kfd_dbg_trap_device_snapshot() warn: variable dereferenced before check 'entry_size' (see line 1021)

Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Srinivasan Shanmugam 2024-01-05 11:27:48 +05:30 committed by Alex Deucher
parent 30df05fb74
commit 81d4b97068
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdkfd/kfd_debug.c
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@ -1018,12 +1018,14 @@ int kfd_dbg_trap_device_snapshot(struct kfd_process *target,
uint32_t *entry_size)
{
struct kfd_dbg_device_info_entry device_info;
uint32_t tmp_entry_size = *entry_size, tmp_num_devices;
uint32_t tmp_entry_size, tmp_num_devices;
int i, r = 0;
if (!(target && user_info && number_of_device_infos && entry_size))
return -EINVAL;
tmp_entry_size = *entry_size;
tmp_num_devices = min_t(size_t, *number_of_device_infos, target->n_pdds);
*number_of_device_infos = target->n_pdds;
*entry_size = min_t(size_t, *entry_size, sizeof(device_info));