CHECK: Lines should not end with a '('
#153: FILE: net/core/sock.c:1089:
+			netmem_ref netmem = (__force netmem_ref)__xa_erase(

WARNING: line length of 92 exceeds 80 columns
#162: FILE: net/core/sock.c:1098:
+						WARN_ON_ONCE(!napi_pp_put_page(netmems[k]));

total: 0 errors, 1 warnings, 1 checks, 131 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 7c1cd5a40fff ("net: add SO_DEVMEM_DONTNEED setsockopt to release RX frags") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 1 warnings, 1 checks, 131 lines checked