2008-08-18 14:20:34

by Jaswinder Singh Rajput

Subject: BUG: checkpatch

[jsr@jaswinder jaswinder-git]$ cat test.c
void test(int i, int j, int k)
{
printk(KERN_INFO "/* Testing i, j, k */\n");
printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
}
[jsr@jaswinder jaswinder-git]$ ./linux-2.6/scripts/checkpatch.pl --file test.c
ERROR: spaces required around that ':' (ctx:VxW)
#4: FILE: test.c:4:
+ printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
^

ERROR: need consistent spacing around '%' (ctx:WxV)
#4: FILE: test.c:4:
+ printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
^

ERROR: spaces required around that ':' (ctx:VxW)
#4: FILE: test.c:4:
+ printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
^

ERROR: need consistent spacing around '%' (ctx:WxV)
#4: FILE: test.c:4:
+ printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
^

ERROR: spaces required around that ':' (ctx:VxO)
#4: FILE: test.c:4:
+ printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
^

total: 5 errors, 0 warnings, 5 lines checked

test.c has style problems, please review. If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.
[jsr@jaswinder jaswinder-git]$ cat test_working.c
void test(int i, int j, int k)
{
printk(KERN_INFO "/* Testing i, j, k * /\n");
printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
}
[jsr@jaswinder jaswinder-git]$ ./linux-2.6/scripts/checkpatch.pl --file test_working.c
total: 0 errors, 0 warnings, 5 lines checked

test_working.c has no obvious style problems and is ready for submission.
[jsr@jaswinder jaswinder-git]$ diff -uN test.c test_working.c
--- test.c 2008-08-18 19:38:32.000000000 +0530
+++ test_working.c 2008-08-18 19:38:37.000000000 +0530
@@ -1,5 +1,5 @@
void test(int i, int j, int k)
{
- printk(KERN_INFO "/* Testing i, j, k */\n");
+ printk(KERN_INFO "/* Testing i, j, k * /\n");
printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
}
[jsr@jaswinder jaswinder-git]$ cp test.c test
[jsr@jaswinder jaswinder-git]$ ./linux-2.6/scripts/checkpatch.pl --file test
total: 0 errors, 0 warnings, 5 lines checked

test has no obvious style problems and is ready for submission.
[jsr@jaswinder jaswinder-git]$

2008-08-26 14:28:51

by Andy Whitcroft

Subject: Re: BUG: checkpatch

On Mon, Aug 18, 2008 at 07:50:00PM +0530, Jaswinder Singh wrote:
> [jsr@jaswinder jaswinder-git]$ cat test.c
> void test(int i, int j, int k)
> {
> printk(KERN_INFO "/* Testing i, j, k */\n");
> printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
> }
> [jsr@jaswinder jaswinder-git]$ ./linux-2.6/scripts/checkpatch.pl --file test.c
> ERROR: spaces required around that ':' (ctx:VxW)
> #4: FILE: test.c:4:
> + printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
> ^
>
> ERROR: need consistent spacing around '%' (ctx:WxV)
> #4: FILE: test.c:4:
> + printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
> ^
>
> ERROR: spaces required around that ':' (ctx:VxW)
> #4: FILE: test.c:4:
> + printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
> ^
>
> ERROR: need consistent spacing around '%' (ctx:WxV)
> #4: FILE: test.c:4:
> + printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
> ^
>
> ERROR: spaces required around that ':' (ctx:VxO)
> #4: FILE: test.c:4:
> + printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
> ^
>
> total: 5 errors, 0 warnings, 5 lines checked
>
> test.c has style problems, please review. If any of these errors
> are false positives report them to the maintainer, see
> CHECKPATCH in MAINTAINERS.
> [jsr@jaswinder jaswinder-git]$ cat test_working.c
> void test(int i, int j, int k)
> {
> printk(KERN_INFO "/* Testing i, j, k * /\n");
> printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
> }
> [jsr@jaswinder jaswinder-git]$ ./linux-2.6/scripts/checkpatch.pl --file test_working.c
> total: 0 errors, 0 warnings, 5 lines checked
>
> test_working.c has no obvious style problems and is ready for submission.
> [jsr@jaswinder jaswinder-git]$ diff -uN test.c test_working.c
> --- test.c 2008-08-18 19:38:32.000000000 +0530
> +++ test_working.c 2008-08-18 19:38:37.000000000 +0530
> @@ -1,5 +1,5 @@
> void test(int i, int j, int k)
> {
> - printk(KERN_INFO "/* Testing i, j, k */\n");
> + printk(KERN_INFO "/* Testing i, j, k * /\n");
> printk(KERN_INFO "i: %d j: %d k:%d\n", i, j, k);
> }
> [jsr@jaswinder jaswinder-git]$ cp test.c test
> [jsr@jaswinder jaswinder-git]$ ./linux-2.6/scripts/checkpatch.pl --file test
> total: 0 errors, 0 warnings, 5 lines checked
>
> test has no obvious style problems and is ready for submission.
> [jsr@jaswinder jaswinder-git]$

Bah, a trivial bug in the comments/quote matcher leading to the apparent
close comment taking effect when quoted. Should be fixed in my next
batch of updates to akpm (0.23).

-apw