[PATCH] drm/amdgpu: Check if fru_addr is not NULL (v2)

[Luben Tuikov]

Always check if fru_addr is not NULL. This commit also fixes a "smatch"
warning.

v2: Add a Fixes tag.

Cc: Alex Deucher <Alexander.Deucher at amd.com>
Cc: Dan Carpenter <error27 at gmail.com>
Cc: kernel test robot <lkp at intel.com>
Cc: AMD Graphics <amd-gfx at lists.freedesktop.org>
Fixes: afbe5d1e4bd7c7 ("drm/amdgpu: Bug-fix: Reading I2C FRU data on newer ASICs")
Signed-off-by: Luben Tuikov <luben.tuikov at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
index 2c38ac7bc643d5..4620c4712ce32a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
@@ -64,7 +64,8 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr)
 			    sizeof(atom_ctx->vbios_version)) ||
 		    strnstr(atom_ctx->vbios_version, "D163",
 			    sizeof(atom_ctx->vbios_version))) {
-			*fru_addr = FRU_EEPROM_MADDR_6;
+			if (fru_addr)
+				*fru_addr = FRU_EEPROM_MADDR_6;
 			return true;
 		} else {
 			return false;
@@ -83,7 +84,8 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr)
 				    sizeof(atom_ctx->vbios_version))) {
 				return false;
 			} else {
-				*fru_addr = FRU_EEPROM_MADDR_6;
+				if (fru_addr)
+					*fru_addr = FRU_EEPROM_MADDR_6;
 				return true;
 			}
 		} else {

base-commit: 20e03e7f6e8efd42168db6d3fe044b804e0ede8f
-- 
2.39.0.rc2