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[Qemu-commits] [COMMIT c833ab7] Fix segv when passing an unknown protoco
From: |
Anthony Liguori |
Subject: |
[Qemu-commits] [COMMIT c833ab7] Fix segv when passing an unknown protocol |
Date: |
Fri, 22 May 2009 15:52:44 -0000 |
From: Anthony Liguori <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
diff --git a/block.c b/block.c
index 980fbec..cbc83b1 100644
--- a/block.c
+++ b/block.c
@@ -306,7 +306,7 @@ static BlockDriver *find_image_format(const char *filename)
drv = find_protocol(filename);
/* no need to test disk image formats for vvfat */
- if (strcmp(drv->format_name, "vvfat") == 0)
+ if (drv && strcmp(drv->format_name, "vvfat") == 0)
return drv;
ret = bdrv_file_open(&bs, filename, BDRV_O_RDONLY);
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