[PATCH 1/5] gpu: drm: amdgpu: Replace snprintf() with sysfs_emit()

Sumera Priyadarsini
2020-10-22T13:40:58Z

Modify amdgpu_atombios.c to use sysfs_emit() instead which knows the
size of the temporary buffer.

Issue found with Coccinelle.

Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index 469352e2d6ec..3c19862c94c7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -1947,7 +1947,7 @@ static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev,
struct amdgpu_device *adev = drm_to_adev(ddev);
struct atom_context *ctx = adev->mode_info.atom_context;

- return snprintf(buf, PAGE_SIZE, "%s\n", ctx->vbios_version);
+ return sysfs_emit(buf, PAGE_SIZE, "%s\n", ctx->vbios_version);
}

static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version,
--
2.25.1