Revert "goldfish: pipe: ANDROID: Allocate memory with GFP_KERNEL."

This reverts commit ed11d8f2a0d07756acace1a2a295f29e41976358.
Since get_free_pipe_id_locked runs with interrupts disabled, we don't
want to make calls that could lead to sleep.
Bug: 72717639
Bug: 66884503
Signed-off-by: Roman Kiryanov <rkir@google.com>
Change-Id: I6c2eac97fd415bdbd5afa0a3a90559e0da3e1c86

drivers/platform/goldfish/goldfish_pipe_v2.c

diff --git a/drivers/platform/goldfish/goldfish_pipe_v2.c b/drivers/platform/goldfish/goldfish_pipe_v2.c
index 28ac0b1..3582fd6 100644
--- a/drivers/platform/goldfish/goldfish_pipe_v2.c
+++ b/drivers/platform/goldfish/goldfish_pipe_v2.c
@@ -697,11 +697,14 @@
 			return id;
 
 	{
-		/* Reallocate the array */
+		/* Reallocate the array.
+		 * Since get_free_pipe_id_locked runs with interrupts disabled,
+		 * we don't want to make calls that could lead to sleep.
+		 */
 		u32 new_capacity = 2 * dev->pipes_capacity;
 		struct goldfish_pipe **pipes =
 				kcalloc(new_capacity, sizeof(*pipes),
-					GFP_KERNEL);
+					GFP_ATOMIC);
 		if (!pipes)
 			return -ENOMEM;
 		memcpy(pipes, dev->pipes, sizeof(*pipes) * dev->pipes_capacity);