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Add initial filters for warnings in distro source

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Add a chunk of filters for sparse warnings that trigger on distro kernel
source.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2025-10-02 09:18:06 -07:00
parent d0cf026298
commit e088424d70
1 changed files with 23 additions and 0 deletions
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23
kmod/src/sparse-filtered.sh
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@@ -16,6 +16,29 @@ which sparse > /dev/null || exit 1
# initial unmatchable, additional added as RE+="|..."
RE="$^"
#
# Darn. sparse has multi-line error messages, and I'd rather not bother
# with multi-line filters. So we'll just drop this context.
#
# command-line: note: in included file (through include/linux/netlink.h, include/linux/ethtool.h, include/linux/netdevice.h, include/net/sock.h, /root/scoutfs/kmod/src/kernelcompat.h, builtin):
# fprintf(stderr, "%s: note: in included file%s:\n",
#
RE+="|: note: in included file"
# 3.10.0-1160.119.1.el7.x86_64.debug
# include/linux/posix_acl.h:138:9: warning: incorrect type in assignment (different address spaces)
# include/linux/posix_acl.h:138:9: expected struct posix_acl *<noident>
# include/linux/posix_acl.h:138:9: got struct posix_acl [noderef] <asn:4>*<noident>
RE+="|include/linux/posix_acl.h:"
# 3.10.0-1160.119.1.el7.x86_64.debug
#include/uapi/linux/perf_event.h:146:56: warning: cast truncates bits from constant value (8000000000000000 becomes 0)
RE+="|include/uapi/linux/perf_event.h:"
# 4.18.0-513.24.1.el8_9.x86_64+debug'
#./include/linux/skbuff.h:824:1: warning: directive in macro's argument list
RE+="|include/linux/skbuff.h:"
sparse "$@" |& \
grep -E -v "($RE)" |& \
awk '{ print $0 } END { exit NR > 0 }'