///
/// Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0
///
// Copyright: (C) 2015 Intel Corp. GPLv2.
// Options: --no-includes --include-headers
//
// Keywords: dma_pool_zalloc, pci_pool_zalloc
//
virtual context
virtual patch
virtual org
virtual report
//----------------------------------------------------------
// For context mode
//----------------------------------------------------------
@depends on context@
expression x;
statement S;
@@
* x = \(dma_pool_alloc\|pci_pool_alloc\)(...);
if ((x==NULL) || ...) S
* memset(x,0, ...);
//----------------------------------------------------------
// For patch mode
//----------------------------------------------------------
@depends on patch@
expression x;
expression a,b,c;
statement S;
@@
- x = dma_pool_alloc(a,b,c);
+ x = dma_pool_zalloc(a,b,c);
if ((x==NULL) || ...) S
- memset(x,0,...);
@depends on patch@
expression x;
expression a,b,c;
statement S;
@@
- x = pci_pool_alloc(a,b,c);
+ x = pci_pool_zalloc(a,b,c);
if ((x==NULL) || ...) S
- memset(x,0,...);
//----------------------------------------------------------
// For org and report mode
//----------------------------------------------------------
@r depends on org || report@
expression x;
expression a,b,c;
statement S;
position p;
@@
x = @p\(dma_pool_alloc\|pci_pool_alloc\)(a,b,c);
if ((x==NULL) || ...) S
memset(x,0, ...);
@script:python depends on org@
p << r.p;
x << r.x;
@@
msg="%s" % (x)
msg_safe=msg.replace("[","@(").replace("]",")")
coccilib.org.print_todo(p[0], msg_safe)
@script:python depends on report@
p << r.p;
x << r.x;
@@
msg="WARNING: *_pool_zalloc should be used for %s, instead of *_pool_alloc/memset" % (x)
coccilib.report.print_report(p[0], msg)
ree/sound/soc/sh/rcar/gen.c?id=b5b46c4740aed1538544f0fa849c5b76c7823469'>treecommitdiff
|
objtool: Fix IRET's opcode
The IRET opcode is 0xcf according to the Intel manual and also to objdump of my
vmlinux:
1ea8: 48 cf iretq
Fix the opcode in arch_decode_instruction().
The previous value (0xc5) seems to correspond to LDS.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170118132921.19319-1-jslaby@suse.cz
Signed-off-by: Ingo Molnar <mingo@kernel.org>