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SubjectRe: [PATCH 109/148] include/asm-x86/serial.h: checkpatch cleanups - formatting only
On Tue, 25 March 2008 14:45:56 +0100, Ingo Molnar wrote:
> and let me give an example with the your very own code that you wrote
> and maintain, drivers/mtd/devices/block2mtd.c:
> errors lines of code errors/KLOC
> drivers/mtd/devices/block2mtd.c 10 490 20.4
> that's pretty OK code, but not perfect, the 10 errors are:
> ERROR: do not use C99 // comments
> ERROR: need spaces around that '=' (ctx:VxV)
> ERROR: need spaces around that '<' (ctx:VxV)
> ERROR: do not use C99 // comments
> ERROR: do not use C99 // comments
> ERROR: do not use C99 // comments
> ERROR: do not use C99 // comments
> ERROR: do not use C99 // comments
> ERROR: do not use C99 // comments
> ERROR: do not initialise statics to 0 or NULL

The last should and will be fixed. The // I don't really care about.
Send a patch if you do.

Going over my logfs patch, I found several things that are either false
positives or rather questionable in my book. <adds Andy to Cc:>

(foo*) should be (foo *)
What does that extra space gain us?

ERROR: no space before that close parenthesis ')'
#2565: FILE: fs/logfs/gc.c:294:
+ seg_ofs + sizeof(oh) < super->s_segsize; ) {

Actual code is this:
seg_ofs + sizeof(oh) < super->s_segsize; ) {
The for() loop is missing one of its three terms. I assume this is one
of the effects of not having a perfect C parser.

ERROR: trailing statements should be on next line
#5000: FILE: fs/logfs/readwrite.c:203:
+ } else while (unlikely(TestSetPageLocked(page))) {

We have an explicit exception for "else if". "else while" makes imo
just as much (or as little) sense.

ERROR: need space after that ',' (ctx:VxV)
#5801: FILE: fs/logfs/readwrite.c:1004:
+ ret = logfs_segment_read(inode, ipage, this_wc->ofs, bix,level);

One of those examples where a missing space is the lesser of two or
three evils.

ERROR: need consistent spacing around '|' (ctx:WxV)
#8293: FILE: fs/logfs/dev_mtd.c:376:

I have no idea what this is about. Original code:
mtd_cache = kmem_cache_create("mtd_cache", sizeof(struct mtd_inode), 0,


Victory in war is not repetitious.
-- Sun Tzu
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