diff --git a/drivers/gpu/nvgpu/os/posix/log.c b/drivers/gpu/nvgpu/os/posix/log.c
index 35d262660..fb1e7858f 100644
--- a/drivers/gpu/nvgpu/os/posix/log.c
+++ b/drivers/gpu/nvgpu/os/posix/log.c
@@ -68,7 +68,7 @@ void __nvgpu_log_msg(struct gk20a *g, const char *func_name, int line,
 	va_list args;
 
 	va_start(args, fmt);
-	vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args);
+	(void) vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args);
 	va_end(args);
 
 	__nvgpu_really_print_log(nvgpu_log_name(g),
@@ -87,7 +87,7 @@ void __nvgpu_log_dbg(struct gk20a *g, u64 log_mask,
 		return;
 
 	va_start(args, fmt);
-	vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args);
+	(void) vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args);
 	va_end(args);
 
 	__nvgpu_really_print_log(nvgpu_log_name(g),
diff --git a/drivers/gpu/nvgpu/os/posix/posix-dma.c b/drivers/gpu/nvgpu/os/posix/posix-dma.c
index 025e0fb8b..b03e3376f 100644
--- a/drivers/gpu/nvgpu/os/posix/posix-dma.c
+++ b/drivers/gpu/nvgpu/os/posix/posix-dma.c
@@ -97,7 +97,7 @@ void nvgpu_dma_free_sys(struct gk20a *g, struct nvgpu_mem *mem)
 	if (!(mem->mem_flags & NVGPU_MEM_FLAG_SHADOW_COPY))
 		free(mem->cpu_va);
 
-	memset(mem, 0, sizeof(*mem));
+	(void) memset(mem, 0, sizeof(*mem));
 }
 
 void nvgpu_dma_free_vid(struct gk20a *g, struct nvgpu_mem *mem)
diff --git a/drivers/gpu/nvgpu/os/posix/posix-nvgpu_mem.c b/drivers/gpu/nvgpu/os/posix/posix-nvgpu_mem.c
index 9cfd85efa..bc229aedb 100644
--- a/drivers/gpu/nvgpu/os/posix/posix-nvgpu_mem.c
+++ b/drivers/gpu/nvgpu/os/posix/posix-nvgpu_mem.c
@@ -151,7 +151,7 @@ int nvgpu_mem_create_from_mem(struct gk20a *g,
 	if ((start + size) > src->size)
 		return -EINVAL;
 
-	memset(dest, 0, sizeof(*dest));
+	(void) memset(dest, 0, sizeof(*dest));
 
 	dest->cpu_va    = ((char *)src->cpu_va) + start;
 	dest->mem_flags = src->mem_flags | NVGPU_MEM_FLAG_SHADOW_COPY;
diff --git a/drivers/gpu/nvgpu/os/posix/rwsem.c b/drivers/gpu/nvgpu/os/posix/rwsem.c
index 7a696b757..1c9f43517 100644
--- a/drivers/gpu/nvgpu/os/posix/rwsem.c
+++ b/drivers/gpu/nvgpu/os/posix/rwsem.c
@@ -28,7 +28,7 @@
 
 void nvgpu_rwsem_init(struct nvgpu_rwsem *rwsem)
 {
-	memset(rwsem, 0, sizeof(*rwsem));
+	(void) memset(rwsem, 0, sizeof(*rwsem));
 
 	nvgpu_spinlock_init(&rwsem->lock);
 }
diff --git a/drivers/gpu/nvgpu/os/posix/thread.c b/drivers/gpu/nvgpu/os/posix/thread.c
index d94765233..e72f95800 100644
--- a/drivers/gpu/nvgpu/os/posix/thread.c
+++ b/drivers/gpu/nvgpu/os/posix/thread.c
@@ -54,13 +54,14 @@ int nvgpu_thread_create(struct nvgpu_thread *thread,
 
 	BUG_ON(thread->running);
 
-	memset(thread, 0, sizeof(*thread));
+	(void) memset(thread, 0, sizeof(*thread));
 
 	/*
 	 * By subtracting 1 the above memset ensures that we have a zero
 	 * terminated string.
 	 */
-	strncpy(thread->tname, name, NVGPU_THREAD_POSIX_MAX_NAMELEN - 1);
+	(void) strncpy(thread->tname, name,
+		NVGPU_THREAD_POSIX_MAX_NAMELEN - 1);
 
 	thread->nvgpu.data = data;
 	thread->nvgpu.fn = threadfn;
diff --git a/drivers/gpu/nvgpu/os/posix/timers.c b/drivers/gpu/nvgpu/os/posix/timers.c
index c84b0de56..3e4974607 100644
--- a/drivers/gpu/nvgpu/os/posix/timers.c
+++ b/drivers/gpu/nvgpu/os/posix/timers.c
@@ -45,7 +45,7 @@ int nvgpu_timeout_init(struct gk20a *g, struct nvgpu_timeout *timeout,
 	if (flags & ~NVGPU_TIMER_FLAG_MASK)
 		return -EINVAL;
 
-	memset(timeout, 0, sizeof(*timeout));
+	(void) memset(timeout, 0, sizeof(*timeout));
 
 	timeout->g = g;
 	timeout->flags = flags;
@@ -68,7 +68,7 @@ static int __nvgpu_timeout_expired_msg_cpu(struct nvgpu_timeout *timeout,
 		if (!(timeout->flags & NVGPU_TIMER_SILENT_TIMEOUT)) {
 			char buf[128];
 
-			vsnprintf(buf, sizeof(buf), fmt, args);
+			(void) vsnprintf(buf, sizeof(buf), fmt, args);
 
 			nvgpu_err(g, "Timeout detected @ %p %s", caller, buf);
 		}
@@ -89,7 +89,7 @@ static int __nvgpu_timeout_expired_msg_retry(struct nvgpu_timeout *timeout,
 		if (!(timeout->flags & NVGPU_TIMER_SILENT_TIMEOUT)) {
 			char buf[128];
 
-			vsnprintf(buf, sizeof(buf), fmt, args);
+			(void) vsnprintf(buf, sizeof(buf), fmt, args);
 
 			nvgpu_err(g, "No more retries @ %p %s", caller, buf);
 		}