[PATCH] Fix fallocate error return on i386

[Andreas Schwab]

Unlike posix_fallocate, fallocate should use the normal syscall error
reporting.

Andreas.

2010-04-07  Andreas Schwab  <schwab@redhat.com>

	* sysdeps/unix/sysv/linux/i386/fallocate.c: Set errno on error.
	* sysdeps/unix/sysv/linux/i386/fallocate64.c: Likewise.

diff --git a/sysdeps/unix/sysv/linux/i386/fallocate.c b/sysdeps/unix/sysv/linux/i386/fallocate.c
index 14e7883..1434a83 100644
--- a/sysdeps/unix/sysv/linux/i386/fallocate.c
+++ b/sysdeps/unix/sysv/linux/i386/fallocate.c
@@ -30,7 +30,13 @@ int
 fallocate (int fd, int mode, __off_t offset, __off_t len)
 {
 #ifdef __NR_fallocate
-  return __call_fallocate (fd, mode, offset, len);
+  int err = __call_fallocate (fd, mode, offset, len);
+  if (__builtin_expect (err, 0))
+    {
+      __set_errno (err);
+      err = -1;
+    }
+  return err;
 #else
   __set_errno (ENOSYS);
   return -1;
diff --git a/sysdeps/unix/sysv/linux/i386/fallocate64.c b/sysdeps/unix/sysv/linux/i386/fallocate64.c
index 85f315c..063bab0 100644
--- a/sysdeps/unix/sysv/linux/i386/fallocate64.c
+++ b/sysdeps/unix/sysv/linux/i386/fallocate64.c
@@ -30,7 +30,13 @@ int
 fallocate64 (int fd, int mode, __off64_t offset, __off64_t len)
 {
 #ifdef __NR_fallocate
-  return __call_fallocate (fd, mode, offset, len);
+  int err = __call_fallocate (fd, mode, offset, len);
+  if (__builtin_expect (err, 0))
+    {
+      __set_errno (err);
+      err = -1;
+    }
+  return err;
 #else
   __set_errno (ENOSYS);
   return -1;
-- 
1.7.0.1


-- 
Andreas Schwab, schwab@redhat.com
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