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Date: Tue, 29 Nov 2011 18:14:13 -0800
From: Joe Perches <joe@...ches.com>
To: Alexander Viro <viro@...iv.linux.org.uk>
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 15/28] exec: checkpatch wanking
Fix a few style things, all but 1 false positive,
the #include <asm/mmu_context.h> warning, has been
cleaned.
$ ./scripts/checkpatch.pl --terse -f fs/exec.c | cut -f3- -d":" |sort|uniq -c
4 ERROR: code indent should use tabs where possible
1 ERROR: do not initialise globals to 0 or NULL
2 ERROR: do not use assignment in if condition
10 ERROR: "foo * bar" should be "foo *bar"
1 ERROR: space required after that ',' (ctx:OxV)
3 ERROR: space required after that ',' (ctx:VxV)
1 ERROR: space required before the open parenthesis '('
2 ERROR: spaces required around that '<=' (ctx:VxV)
1 ERROR: spaces required around that '<' (ctx:VxV)
2 ERROR: spaces required around that '==' (ctx:VxV)
2 ERROR: spaces required around that '=' (ctx:VxV)
5 ERROR: trailing whitespace
1 WARNING: braces {} are not necessary for single statement blocks
6 WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable
3 WARNING: line over 80 characters
4 WARNING: please, no space before tabs
4 WARNING: please, no spaces at the start of a line
1 WARNING: Use #include <linux/mmu_context.h> instead of <asm/mmu_context.h>
1 WARNING: Use #include <linux/uaccess.h> instead of <asm/uaccess.h>
Signed-off-by: Joe Perches <joe@...ches.com>
---
fs/exec.c | 83 +++++++++++++++++++++++++++++++------------------------------
1 files changed, 42 insertions(+), 41 deletions(-)
diff --git a/fs/exec.c b/fs/exec.c
index 0839da4..1365d02 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -19,7 +19,7 @@
* current->executable is only used by the procfs. This allows a dispatch
* table to check for several different types of binary formats. We keep
* trying until we recognize the file or we run out of supported binary
- * formats.
+ * formats.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -58,7 +58,7 @@
#include <linux/oom.h>
#include <linux/compat.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/mmu_context.h>
#include <asm/tlb.h>
#include "internal.h"
@@ -66,7 +66,7 @@
int core_uses_pid;
char core_pattern[CORENAME_MAX_SIZE] = "core";
unsigned int core_pipe_limit;
-int suid_dumpable = 0;
+int suid_dumpable;
struct core_name {
char *corename;
@@ -79,7 +79,7 @@ static atomic_t call_count = ATOMIC_INIT(1);
static LIST_HEAD(formats);
static DEFINE_RWLOCK(binfmt_lock);
-int __register_binfmt(struct linux_binfmt * fmt, int insert)
+int __register_binfmt(struct linux_binfmt *fmt, int insert)
{
if (!fmt)
return -EINVAL;
@@ -87,21 +87,19 @@ int __register_binfmt(struct linux_binfmt * fmt, int insert)
insert ? list_add(&fmt->lh, &formats) :
list_add_tail(&fmt->lh, &formats);
write_unlock(&binfmt_lock);
- return 0;
+ return 0;
}
-
EXPORT_SYMBOL(__register_binfmt);
-void unregister_binfmt(struct linux_binfmt * fmt)
+void unregister_binfmt(struct linux_binfmt *fmt)
{
write_lock(&binfmt_lock);
list_del(&fmt->lh);
write_unlock(&binfmt_lock);
}
-
EXPORT_SYMBOL(unregister_binfmt);
-static inline void put_binfmt(struct linux_binfmt * fmt)
+static inline void put_binfmt(struct linux_binfmt *fmt)
{
module_put(fmt->module);
}
@@ -143,8 +141,8 @@ SYSCALL_DEFINE1(uselib, const char __user *, library)
fsnotify_open(file);
error = -ENOEXEC;
- if(file->f_op) {
- struct linux_binfmt * fmt;
+ if (file->f_op) {
+ struct linux_binfmt *fmt;
read_lock(&binfmt_lock);
list_for_each_entry(fmt, &formats, lh) {
@@ -164,7 +162,7 @@ SYSCALL_DEFINE1(uselib, const char __user *, library)
exit:
fput(file);
out:
- return error;
+ return error;
}
#ifdef CONFIG_MMU
@@ -811,13 +809,12 @@ int kernel_read(struct file *file, loff_t offset,
set_fs(old_fs);
return result;
}
-
EXPORT_SYMBOL(kernel_read);
static int exec_mmap(struct mm_struct *mm)
{
struct task_struct *tsk;
- struct mm_struct * old_mm, *active_mm;
+ struct mm_struct *old_mm, *active_mm;
/* Notify parent that we're no longer interested in the old VM */
tsk = current;
@@ -1012,7 +1009,7 @@ no_thread_group:
* These functions flushes out all traces of the currently running executable
* so that a new one can be started
*/
-static void flush_old_files(struct files_struct * files)
+static void flush_old_files(struct files_struct *files)
{
long j = -1;
struct fdtable *fdt;
@@ -1031,10 +1028,9 @@ static void flush_old_files(struct files_struct * files)
continue;
fdt->close_on_exec->fds_bits[j] = 0;
spin_unlock(&files->file_lock);
- for ( ; set ; i++,set >>= 1) {
- if (set & 1) {
+ for (; set; i++, set >>= 1) {
+ if (set & 1)
sys_close(i);
- }
}
spin_lock(&files->file_lock);
@@ -1069,7 +1065,7 @@ void set_task_comm(struct task_struct *tsk, char *buf)
perf_event_comm(tsk);
}
-int flush_old_exec(struct linux_binprm * bprm)
+int flush_old_exec(struct linux_binprm *bprm)
{
int retval;
@@ -1112,7 +1108,7 @@ void would_dump(struct linux_binprm *bprm, struct file *file)
}
EXPORT_SYMBOL(would_dump);
-void setup_new_exec(struct linux_binprm * bprm)
+void setup_new_exec(struct linux_binprm *bprm)
{
int i, ch;
const char *name;
@@ -1131,7 +1127,7 @@ void setup_new_exec(struct linux_binprm * bprm)
name = bprm->filename;
/* Copies the binary name from after last slash */
- for (i=0; (ch = *(name++)) != '\0';) {
+ for (i = 0; (ch = *(name++)) != '\0';) {
if (ch == '/')
i = 0; /* overwrite what we wrote */
else
@@ -1168,7 +1164,7 @@ void setup_new_exec(struct linux_binprm * bprm)
group */
current->self_exec_id++;
-
+
flush_signal_handlers(current, 0);
flush_old_files(current->files);
}
@@ -1263,8 +1259,8 @@ int check_unsafe_exec(struct linux_binprm *bprm)
return res;
}
-/*
- * Fill the binprm structure from the inode.
+/*
+ * Fill the binprm structure from the inode.
* Check permissions, then read the first 128 (BINPRM_BUF_SIZE) bytes
*
* This may be called multiple times for binary chains (scripts for example).
@@ -1272,7 +1268,7 @@ int check_unsafe_exec(struct linux_binprm *bprm)
int prepare_binprm(struct linux_binprm *bprm)
{
umode_t mode;
- struct inode * inode = bprm->file->f_path.dentry->d_inode;
+ struct inode *inode = bprm->file->f_path.dentry->d_inode;
int retval;
mode = inode->i_mode;
@@ -1311,7 +1307,6 @@ int prepare_binprm(struct linux_binprm *bprm)
memset(bprm->buf, 0, BINPRM_BUF_SIZE);
return kernel_read(bprm->file, 0, bprm->buf, BINPRM_BUF_SIZE);
}
-
EXPORT_SYMBOL(prepare_binprm);
/*
@@ -1361,10 +1356,10 @@ EXPORT_SYMBOL(remove_arg_zero);
/*
* cycle the list of binary formats handler, until one recognizes the image
*/
-int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
+int search_binary_handler(struct linux_binprm *bprm, struct pt_regs *regs)
{
unsigned int depth = bprm->recursion_depth;
- int try,retval;
+ int try, retval;
struct linux_binfmt *fmt;
pid_t old_pid;
@@ -1382,10 +1377,11 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
rcu_read_unlock();
retval = -ENOENT;
- for (try=0; try<2; try++) {
+ for (try = 0; try < 2; try++) {
read_lock(&binfmt_lock);
list_for_each_entry(fmt, &formats, lh) {
- int (*fn)(struct linux_binprm *, struct pt_regs *) = fmt->load_binary;
+ int (*fn)(struct linux_binprm *, struct pt_regs *) =
+ fmt->load_binary;
if (!fn)
continue;
if (!try_module_get(fmt->module))
@@ -1425,7 +1421,10 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
if (retval != -ENOEXEC || bprm->mm == NULL) {
break;
} else {
-#define printable(c) (((c)=='\t') || ((c)=='\n') || (0x20<=(c) && (c)<=0x7e))
+
+#define printable(c) \
+ (((c) == '\t') || ((c) == '\n') || (0x20 <= (c) && (c) <= 0x7e))
+
if (printable(bprm->buf[0]) &&
printable(bprm->buf[1]) &&
printable(bprm->buf[2]) &&
@@ -1433,7 +1432,8 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
break; /* -ENOEXEC */
if (try)
break; /* -ENOEXEC */
- request_module("binfmt-%04x", *(unsigned short *)(&bprm->buf[2]));
+ request_module("binfmt-%04x",
+ *(unsigned short *)(&bprm->buf[2]));
}
#else
break;
@@ -1441,7 +1441,6 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
}
return retval;
}
-
EXPORT_SYMBOL(search_binary_handler);
/*
@@ -1510,11 +1509,13 @@ static int do_execve_common(const char *filename,
goto out_file;
bprm->argc = count(argv, MAX_ARG_STRINGS);
- if ((retval = bprm->argc) < 0)
+ retval = bprm->argc;
+ if (retval < 0)
goto out;
bprm->envc = count(envp, MAX_ARG_STRINGS);
- if ((retval = bprm->envc) < 0)
+ retval = bprm->envc;
+ if (retval < 0)
goto out;
retval = prepare_binprm(bprm);
@@ -1534,7 +1535,7 @@ static int do_execve_common(const char *filename,
if (retval < 0)
goto out;
- retval = search_binary_handler(bprm,regs);
+ retval = search_binary_handler(bprm, regs);
if (retval < 0)
goto out;
@@ -1613,7 +1614,6 @@ void set_binfmt(struct linux_binfmt *new)
if (new)
__module_get(new->module);
}
-
EXPORT_SYMBOL(set_binfmt);
static int expand_corename(struct core_name *cn)
@@ -2090,7 +2090,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
struct core_state core_state;
struct core_name cn;
struct mm_struct *mm = current->mm;
- struct linux_binfmt * binfmt;
+ struct linux_binfmt *binfmt;
const struct cred *old_cred;
struct cred *cred;
int retval = 0;
@@ -2145,7 +2145,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
ispipe = format_corename(&cn, signr);
- if (ispipe) {
+ if (ispipe) {
int dump_count;
char **helper_argv;
@@ -2198,7 +2198,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
if (retval) {
pr_info("Core dump to %s pipe failed\n", cn.corename);
goto close_fail;
- }
+ }
} else {
struct inode *inode;
@@ -2264,7 +2264,8 @@ fail:
*/
int dump_write(struct file *file, const void *addr, int nr)
{
- return access_ok(VERIFY_READ, addr, nr) && file->f_op->write(file, addr, nr, &file->f_pos) == nr;
+ return access_ok(VERIFY_READ, addr, nr) &&
+ file->f_op->write(file, addr, nr, &file->f_pos) == nr;
}
EXPORT_SYMBOL(dump_write);
--
1.7.6.405.gc1be0
--
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