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drm/amdgpu: fix 64 bit divide in eeprom code 

pos is 64 bits.

Fixes: c65b0805e7 ("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>
This commit is contained in:
Alex Deucher 2021-06-30 11:19:14 -04:00
parent c65b0805e7
commit d456f3875a
1 changed files with 9 additions and 5 deletions
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14
drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
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@ -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);