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[Qemu-block] [PULL 1/3] block: fix NetBSD qemu-iotests failure

From: Thomas Huth
Subject: [Qemu-block] [PULL 1/3] block: fix NetBSD qemu-iotests failure
Date: Sat, 17 Aug 2019 10:54:41 +0200

From: Paolo Bonzini <address@hidden>

Opening a block device on NetBSD has an additional step compared to other OSes,
corresponding to raw_normalize_devicepath.  The error message in that function
is slightly different from that in raw_open_common and this was causing spurious
failures in qemu-iotests.  However, in general it is not important to know what
exact step was failing, for example in the qemu-iotests case the error message
contains the fairly unequivocal "No such file or directory" text from strerror.
We can thus fix the failures by standardizing on a single error message for
both raw_open_common and raw_normalize_devicepath; in fact, we can even
use error_setg_file_open to make sure the error message is the same as in
the rest of QEMU.

Message-Id: <address@hidden>
Tested-by: Thomas Huth <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: Thomas Huth <address@hidden>
 block/file-posix.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/file-posix.c b/block/file-posix.c
index b8b4dad553..e41e91e075 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -217,7 +217,7 @@ static int raw_normalize_devicepath(const char **filename, 
Error **errp)
     fname = *filename;
     dp = strrchr(fname, '/');
     if (lstat(fname, &sb) < 0) {
-        error_setg_errno(errp, errno, "%s: stat failed", fname);
+        error_setg_file_open(errp, errno, fname);
         return -errno;
@@ -561,7 +561,7 @@ static int raw_open_common(BlockDriverState *bs, QDict 
     ret = fd < 0 ? -errno : 0;
     if (ret < 0) {
-        error_setg_errno(errp, -ret, "Could not open '%s'", filename);
+        error_setg_file_open(errp, -ret, filename);
         if (ret == -EROFS) {
             ret = -EACCES;

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