a question about checkpatch.pl

kernelnewbies lx 4 participants 5 messages Jun 8, 2014 – Jun 9, 2014

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lx

author

2014-06-08 14:29 UTC #0 lore raw

hi all:
I used the script of checkpatch.pl, but some error messages appeared.
##########################################
[root at localhost kernel_test]# perl checkpatch.pl -f task_01.c Nested quantifiers in regex; marked by <-- HERE in m/(\((?:[^\(\)]++ <-- HERE |(?-1))*\))/@checkpatch.pl line 444.
##########################################
This is something with checkpatch.pl ? How to fix it.

Thank you.

Peter Senna Tschudin

2014-06-08 15:40 UTC #1 lore raw

I see two problems:

1 - You are running as root. This do not cause the error message but it is way too dangerous. Don't compile, and test as root.

2 - The correct way of invoking checkpatch.pl is from the top-level dir. of a kernel tree. Example:
cd /path/to/linux/source
./scripts/checkpatch.pl -f /path/to/task_01.c

Quoted 15 lines · lx

hi all:
I used the script of checkpatch.pl, but some error messages appeared.
##########################################
[root at localhost kernel_test]# perl checkpatch.pl -f task_01.c Nested quantifiers in regex; marked by <-- HERE in m/(\((?:[^\(\)]++ <-- HERE |(?-1))*\))/ at checkpatch.pl line 444.
##########################################
This is something with checkpatch.pl ? How to fix it.
Thank you.
_______________________________________________
Kernelnewbies mailing list
Kernelnewbies at kernelnewbies.org
http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

Signature · 1 line

Peter

anish singh

2014-06-08 18:44 UTC #2 lore raw

In reply to lx

Joe can help you with that.

Quoted 9 lines · lx

hi all:
I used the script of checkpatch.pl, but some error messages appeared.
##########################################
[root at localhost kernel_test]# perl checkpatch.pl -f task_01.c Nested quantifiers in regex; marked by <-- HERE in m/(\((?:[^\(\)]++ <-- HERE |(?-1))*\))/ at checkpatch.pl line 444.
##########################################
This is something with checkpatch.pl ? How to fix it.

Quoted 7 lines

Thank you.
_______________________________________________
Kernelnewbies mailing list
Kernelnewbies at kernelnewbies.org
http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

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Joe Perches

2014-06-08 19:03 UTC #3 lore raw

Quoted 13 lines · anish singh

Joe can help you with that.
Quoted 8 lines · lx
hi all:
I used the script of checkpatch.pl, but some error messages appeared.
##########################################
[root at localhost kernel_test]# perl checkpatch.pl -f task_01.c Nested quantifiers in regex; marked by <-- HERE in m/(\((?:[^\(\)]++ <-- HERE |(?-1))*\))/ at checkpatch.pl line 444.
##########################################
This is something with checkpatch.pl ? How to fix it.

Use a newer version of perl.
5.10 or higher.

lx

author

2014-06-09 14:44 UTC #4 lore raw

Thank you. I fix it.

?2014?6?9? 3:03:19,Joe Perches??:

Quoted 20 lines · anish singh

Quoted 13 lines
Joe can help you with that.
Quoted 8 lines · lx
hi all:
I used the script of checkpatch.pl, but some error messages appeared.
##########################################
[root at localhost kernel_test]# perl checkpatch.pl -f task_01.c Nested quantifiers in regex; marked by <-- HERE in m/(\((?:[^\(\)]++ <-- HERE |(?-1))*\))/ at checkpatch.pl line 444.
##########################################
This is something with checkpatch.pl ? How to fix it.
Use a newer version of perl.
5.10 or higher.