==========
build_clang - FAILED


../drivers/net/virtio_net.c:5888:6: warning: variable 'err' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
 5888 |         if (virtqueue_dma_mapping_error(sq->vq, hdr_dma))
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/virtio_net.c:5919:9: note: uninitialized use occurs here
 5919 |         return err;
      |                ^~~
../drivers/net/virtio_net.c:5888:2: note: remove the 'if' if its condition is always false
 5888 |         if (virtqueue_dma_mapping_error(sq->vq, hdr_dma))
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 5889 |                 goto err_free_buffs;
      |                 ~~~~~~~~~~~~~~~~~~~
../drivers/net/virtio_net.c:5849:9: note: initialize the variable 'err' to silence this warning
 5849 |         int err, size;
      |                ^
      |                 = 0
1 warning generated.
../drivers/net/virtio_net.c:5888:6: warning: variable 'err' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
 5888 |         if (virtqueue_dma_mapping_error(sq->vq, hdr_dma))
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/virtio_net.c:5919:9: note: uninitialized use occurs here
 5919 |         return err;
      |                ^~~
../drivers/net/virtio_net.c:5888:2: note: remove the 'if' if its condition is always false
 5888 |         if (virtqueue_dma_mapping_error(sq->vq, hdr_dma))
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 5889 |                 goto err_free_buffs;
      |                 ~~~~~~~~~~~~~~~~~~~
../drivers/net/virtio_net.c:5849:9: note: initialize the variable 'err' to silence this warning
 5849 |         int err, size;
      |                ^
      |                 = 0
1 warning generated.
New errors added
--- /tmp/tmp.4IBbGx7eX5	2025-04-29 09:52:35.966854766 -0700
+++ /tmp/tmp.L2xLIReVBI	2025-04-29 09:53:59.838193737 -0700
@@ -0,0 +1,16 @@
+../drivers/net/virtio_net.c:5888:6: warning: variable 'err' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
+ 5888 |         if (virtqueue_dma_mapping_error(sq->vq, hdr_dma))
+      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+../drivers/net/virtio_net.c:5919:9: note: uninitialized use occurs here
+ 5919 |         return err;
+      |                ^~~
+../drivers/net/virtio_net.c:5888:2: note: remove the 'if' if its condition is always false
+ 5888 |         if (virtqueue_dma_mapping_error(sq->vq, hdr_dma))
+      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ 5889 |                 goto err_free_buffs;
+      |                 ~~~~~~~~~~~~~~~~~~~
+../drivers/net/virtio_net.c:5849:9: note: initialize the variable 'err' to silence this warning
+ 5849 |         int err, size;
+      |                ^
+      |                 = 0
+1 warning generated.
Per-file breakdown
--- /tmp/tmp.gEXt5OKhwR	2025-04-29 09:54:49.344800432 -0700
+++ /tmp/tmp.c3RUVdJjGg	2025-04-29 09:54:49.347800408 -0700
@@ -0,0 +1 @@
+      2 ../drivers/net/virtio_net.c