From: Bernhard Kohl <bernhard.k...@gmx.net>
Allow symbolic links which point to /dev/sgX devices.
Signed-off-by: Bernhard Kohl <bernhard.k...@nsn.com>
---
block/raw-posix.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 72fb8ce..4544a57 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -48,6 +48,7 @@
#endif
#ifdef __linux__
#include <sys/ioctl.h>
+#include <sys/param.h>
#include <linux/cdrom.h>
#include <linux/fd.h>
#endif
@@ -868,8 +869,13 @@ static int hdev_open(BlockDriverState *bs, const char
*filename, int flags)
s->type = FTYPE_FILE;
#if defined(__linux__)
- if (strstart(filename, "/dev/sg", NULL)) {
- bs->sg = 1;
+ {
+ char resolved_path[ MAXPATHLEN ], *temp;
+
+ temp = realpath(filename, resolved_path);
+ if (temp && strstart(temp, "/dev/sg", NULL)) {
+ bs->sg = 1;
+ }
}
#endif
--
1.7.2.2
