CHECK: Comparison to NULL could be written "!entry"
#30: FILE: net/atm/mpc.c:1317:
+	if (entry == NULL && !holding_time) {

total: 0 errors, 0 warnings, 1 checks, 9 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 cabbb82aac1a ("atm: null pointer dereference when both entry and holding_time are NULL.") 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, 0 warnings, 1 checks, 9 lines checked