[PATCH v3 5/5] block: Prevent /dev/fd/X filename from being detected as floppy

[Corey Bryant <coreyb@xxxxxxxxxxxxxxxxxx>]

Reported-by: Kevin Wolf <kwolf@xxxxxxxxxx>
Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Corey Bryant <coreyb@xxxxxxxxxxxxxxxxxx>
---
v3:
 -This patch is new in v3.  It was previously submitted on its
  own, and is now being included in this series.

 block/raw-posix.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/block/raw-posix.c b/block/raw-posix.c
index d8eff2f..68886cd 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -946,9 +946,11 @@ static int floppy_probe_device(const char *filename)
     int prio = 0;
     struct floppy_struct fdparam;
     struct stat st;
+    const char *p;
 
-    if (strstart(filename, "/dev/fd", NULL))
+    if (strstart(filename, "/dev/fd", &p) && p[0] != '/') {
         prio = 50;
+    }
 
     fd = qemu_open(filename, O_RDONLY | O_NONBLOCK);
     if (fd < 0) {
-- 
1.7.10.2

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