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Re: [Qemu-devel] [PATCH] block: Prevent /dev/fd/X filename from being de


From: Corey Bryant
Subject: Re: [Qemu-devel] [PATCH] block: Prevent /dev/fd/X filename from being detected as floppy
Date: Thu, 14 Jun 2012 09:39:41 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0



On 06/14/2012 05:24 AM, Paolo Bonzini wrote:
Il 13/06/2012 16:30, root ha scritto:
From: Corey Bryant <address@hidden>

Reported-by: Kevin Wolf <address@hidden>
Signed-off-by: Corey Bryant <address@hidden>
---
  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) {


Reviewed-by: Paolo Bonzini <address@hidden>


Thanks!

--
Regards,
Corey





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