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authorUlrich Drepper <drepper@redhat.com>2001-07-31 20:32:01 +0000
committerUlrich Drepper <drepper@redhat.com>2001-07-31 20:32:01 +0000
commitad71126b24491c31fd99b4ca8010cd1363f1c016 (patch)
treeb788d320c7c35e7b1eaca2e18973d55b3a5b2242 /sysdeps/unix
parent34183f57d75b4e8b9ed6608f888f0f1e1ada8b34 (diff)
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Update.
	* sysdeps/unix/sysv/linux/cmsg_nxthdr.c (__cmsg_nxthdr): Correct
	test for cmsg struct size.
	* sysdeps/unix/sysv/linux/bits/socket.h (__cmsg_nxthdr): Likewise.

	* sysdeps/unix/sysv/linux/i386/makecontext.S: Remove unnecessary
	initializations.

	* libio/oldiopopen.c: Add lock for old_proc_file_chain access.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/bits/socket.h4
-rw-r--r--sysdeps/unix/sysv/linux/cmsg_nxthdr.c4
-rw-r--r--sysdeps/unix/sysv/linux/i386/makecontext.S16
3 files changed, 4 insertions, 20 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index 0ec83ccff2..6ad4a5ed92 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -268,8 +268,8 @@ __cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW
 
   __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
 			       + CMSG_ALIGN (__cmsg->cmsg_len));
-  if ((unsigned char *) (__cmsg + 1) >= ((unsigned char *) __mhdr->msg_control
-					 + __mhdr->msg_controllen)
+  if ((unsigned char *) (__cmsg + 1) > ((unsigned char *) __mhdr->msg_control
+					+ __mhdr->msg_controllen)
       || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
 	  > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
     /* No more entries.  */
diff --git a/sysdeps/unix/sysv/linux/cmsg_nxthdr.c b/sysdeps/unix/sysv/linux/cmsg_nxthdr.c
index 22daab5ee3..b7de285e34 100644
--- a/sysdeps/unix/sysv/linux/cmsg_nxthdr.c
+++ b/sysdeps/unix/sysv/linux/cmsg_nxthdr.c
@@ -29,8 +29,8 @@ __cmsg_nxthdr (struct msghdr *mhdr, struct cmsghdr *cmsg)
 
   cmsg = (struct cmsghdr *) ((unsigned char *) cmsg
 			     + CMSG_ALIGN (cmsg->cmsg_len));
-  if ((unsigned char *) (cmsg + 1) >= ((unsigned char *) mhdr->msg_control
-				       + mhdr->msg_controllen)
+  if ((unsigned char *) (cmsg + 1) > ((unsigned char *) mhdr->msg_control
+				      + mhdr->msg_controllen)
       || ((unsigned char *) cmsg + CMSG_ALIGN (cmsg->cmsg_len)
 	  > ((unsigned char *) mhdr->msg_control + mhdr->msg_controllen)))
     /* No more entries.  */
diff --git a/sysdeps/unix/sysv/linux/i386/makecontext.S b/sysdeps/unix/sysv/linux/i386/makecontext.S
index 1ca3233945..56b5537ce3 100644
--- a/sysdeps/unix/sysv/linux/i386/makecontext.S
+++ b/sysdeps/unix/sysv/linux/i386/makecontext.S
@@ -40,22 +40,6 @@ ENTRY(__makecontext)
 	movl	oLINK(%eax), %ecx
 	movl	%ecx, -4(%edx)
 
-	/* Copy the FS and GS segment register.  */
-	xorl	%ecx, %ecx
-	movw	%gs, %cx
-	movl	%ecx, oGS(%eax)
-	xorl	%ecx, %ecx
-	movw	%fs, %cx
-	movl	%ecx, oFS(%eax)
-
-	/* We have separate floating-point register content memory on the
-	   stack.  We use the __fpregs_mem block in the context.  Set the
-	   links up correctly.  */
-	leal	oFPREGSMEM(%eax), %ecx
-	movl	%ecx, oFPREGS(%eax)
-	/* Save the floating-point context.  */
-	fnstenv	(%ecx)
-
 	/* Remember the number of parameters for the exit handler since
 	   it has to remove them.  We store the number in the EBX register
 	   which the function we will call must preserve.  */