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drm/amdgpu: update type of buf size to u32 for eeprom functions

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[ Upstream commit 2aadb520bfacec12527effce3566f8df55e5d08e ]

Avoid overflow issue.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tao Zhou
2024-05-17 18:04:26 +08:00
committed by Greg Kroah-Hartman
parent 1111076d91
commit 369cfc6352
2 changed files with 5 additions and 5 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c
View File

@@ -179,7 +179,7 @@ static int __amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr,
* Returns the number of bytes read/written; -errno on error. * Returns the number of bytes read/written; -errno on error.
*/ */
static int amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr, static int amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr,
u8 *eeprom_buf, u16 buf_size, bool read) u8 *eeprom_buf, u32 buf_size, bool read)
{ {
const struct i2c_adapter_quirks *quirks = i2c_adap->quirks; const struct i2c_adapter_quirks *quirks = i2c_adap->quirks;
u16 limit; u16 limit;
@@ -226,7 +226,7 @@ static int amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr,
int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap, int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap,
u32 eeprom_addr, u8 *eeprom_buf, u32 eeprom_addr, u8 *eeprom_buf,
u16 bytes) u32 bytes)
{ {
return amdgpu_eeprom_xfer(i2c_adap, eeprom_addr, eeprom_buf, bytes, return amdgpu_eeprom_xfer(i2c_adap, eeprom_addr, eeprom_buf, bytes,
true); true);
@@ -234,7 +234,7 @@ int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap,
int amdgpu_eeprom_write(struct i2c_adapter *i2c_adap, int amdgpu_eeprom_write(struct i2c_adapter *i2c_adap,
u32 eeprom_addr, u8 *eeprom_buf, u32 eeprom_addr, u8 *eeprom_buf,
u16 bytes) u32 bytes)
{ {
return amdgpu_eeprom_xfer(i2c_adap, eeprom_addr, eeprom_buf, bytes, return amdgpu_eeprom_xfer(i2c_adap, eeprom_addr, eeprom_buf, bytes,
false); false);

4
drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.h
View File

@@ -28,10 +28,10 @@
int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap, int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap,
u32 eeprom_addr, u8 *eeprom_buf, u32 eeprom_addr, u8 *eeprom_buf,
u16 bytes); u32 bytes);
int amdgpu_eeprom_write(struct i2c_adapter *i2c_adap, int amdgpu_eeprom_write(struct i2c_adapter *i2c_adap,
u32 eeprom_addr, u8 *eeprom_buf, u32 eeprom_addr, u8 *eeprom_buf,
u16 bytes); u32 bytes);
#endif #endif