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[Qemu-devel] [PATCH v5 16/16] block: Fix update of BDRV_O_AUTO_RDONLY in


From: Alberto Garcia
Subject: [Qemu-devel] [PATCH v5 16/16] block: Fix update of BDRV_O_AUTO_RDONLY in update_flags_from_options()
Date: Mon, 12 Nov 2018 16:00:48 +0200

Commit e35bdc123a4ace9f4d3fcca added the auto-read-only option and the
code to update its corresponding flag in update_flags_from_options(),
but forgot to clear the flag if auto-read-only is false.

Signed-off-by: Alberto Garcia <address@hidden>
Reported-by: Max Reitz <address@hidden>
---
 block.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/block.c b/block.c
index 03277b3d19..e1a969e331 100644
--- a/block.c
+++ b/block.c
@@ -1137,7 +1137,7 @@ static int bdrv_open_flags(BlockDriverState *bs, int 
flags)
 
 static void update_flags_from_options(int *flags, QemuOpts *opts)
 {
-    *flags &= ~BDRV_O_CACHE_MASK;
+    *flags &= ~(BDRV_O_CACHE_MASK | BDRV_O_RDWR | BDRV_O_AUTO_RDONLY);
 
     if (qemu_opt_get_bool_del(opts, BDRV_OPT_CACHE_NO_FLUSH, false)) {
         *flags |= BDRV_O_NO_FLUSH;
@@ -1147,8 +1147,6 @@ static void update_flags_from_options(int *flags, 
QemuOpts *opts)
         *flags |= BDRV_O_NOCACHE;
     }
 
-    *flags &= ~BDRV_O_RDWR;
-
     if (!qemu_opt_get_bool_del(opts, BDRV_OPT_READ_ONLY, false)) {
         *flags |= BDRV_O_RDWR;
     }
-- 
2.11.0




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