From: Jens Axboe <axboe@suse.de>
Date: Fri, 28 Jul 2006 06:58:26 +0000 (+0200)
Subject: [PATCH] ide: if the id fields looks screwy, disable DMA
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0a8348d08677ad77ee353f96eb8745c693a05a13;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] ide: if the id fields looks screwy, disable DMA

It's the safer choice. Originally due to a bug in itx821x, but a
generally sound thing to do.

Signed-off-by: Jens Axboe <axboe@suse.de>
---

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 98918fb6b2ce..7c3a13e1cf64 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -750,7 +750,7 @@ void ide_dma_verbose(ide_drive_t *drive)
 			goto bug_dma_off;
 		printk(", DMA");
 	} else if (id->field_valid & 1) {
-		printk(", BUG");
+		goto bug_dma_off;
 	}
 	return;
 bug_dma_off: