diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2021-06-30 11:19:14 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-07-01 00:24:41 -0400 |
| commit | d456f3875af2eb5bf5a9cbd526622801ffc51037 (patch) | |
| tree | 1566f8315d7e43845dcd2749291d5fb1f257e94a /drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | |
| parent | c65b0805e779196ba07c2cb29e7f71777e81009d (diff) | |
drm/amdgpu: fix 64 bit divide in eeprom code
pos is 64 bits.
Fixes: c65b0805e77919 ("drm/amdgpu: RAS EEPROM table is now in debugfs")
Cc: luben.tuikov@amd.com
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c index 677e379f5fb5..fc70620369e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c @@ -880,13 +880,17 @@ static ssize_t amdgpu_ras_debugfs_table_read(struct file *f, char __user *buf, if (*pos < data_len && size > 0) { u8 dare[RAS_TABLE_RECORD_SIZE]; u8 data[rec_hdr_fmt_size + 1]; + struct eeprom_table_record record; + int s, r; + /* Find the starting record index */ - int s = (*pos - strlen(tbl_hdr_str) - tbl_hdr_fmt_size - - strlen(rec_hdr_str)) / rec_hdr_fmt_size; - int r = (*pos - strlen(tbl_hdr_str) - tbl_hdr_fmt_size - - strlen(rec_hdr_str)) % rec_hdr_fmt_size; - struct eeprom_table_record record; + s = *pos - strlen(tbl_hdr_str) - tbl_hdr_fmt_size - + strlen(rec_hdr_str); + s = s / rec_hdr_fmt_size; + r = *pos - strlen(tbl_hdr_str) - tbl_hdr_fmt_size - + strlen(rec_hdr_str); + r = r % rec_hdr_fmt_size; for ( ; size > 0 && s < control->ras_num_recs; s++) { u32 ai = RAS_RI_TO_AI(control, s); |