[PATCH] Properly convert f_fsid in statvfs

[Andreas Schwab]

2010-09-27  Andreas Schwab  <schwab@redhat.com>

	[BZ #11611]
	* sysdeps/unix/sysv/linux/internal_statvfs.c (INTERNAL_STATVFS):
	Mask out sign-bit copies when constructing f_fsid.
---
 sysdeps/unix/sysv/linux/internal_statvfs.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/sysdeps/unix/sysv/linux/internal_statvfs.c b/sysdeps/unix/sysv/linux/internal_statvfs.c
index 0169ae3..83ffb99 100644
--- a/sysdeps/unix/sysv/linux/internal_statvfs.c
+++ b/sysdeps/unix/sysv/linux/internal_statvfs.c
@@ -228,7 +228,8 @@ INTERNAL_STATVFS (const char *name, struct STATVFS *buf,
   buf->f_files = fsbuf->f_files;
   buf->f_ffree = fsbuf->f_ffree;
   if (sizeof (buf->f_fsid) == sizeof (fsbuf->f_fsid))
-    buf->f_fsid = (fsbuf->f_fsid.__val[0]
+    buf->f_fsid = ((fsbuf->f_fsid.__val[0]
+		    & ((1UL << (8 * sizeof (fsbuf->f_fsid.__val[0]))) - 1))
 		   | ((unsigned long int) fsbuf->f_fsid.__val[1]
 		      << (8 * (sizeof (buf->f_fsid)
 			       - sizeof (fsbuf->f_fsid.__val[0])))));
-- 
1.7.2.3


-- 
Andreas Schwab, schwab@redhat.com
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