WARNING: line length of 93 exceeds 80 columns
#42: FILE: drivers/net/ethernet/mellanox/mlx5/core/eq.c:1247:
+	return atomic_notifier_chain_unregister_expedited(&eqt->nh[nb->event_type], &nb->nb);

WARNING: line length of 86 exceeds 80 columns
#79: FILE: include/linux/notifier.h:162:
+extern int atomic_notifier_chain_unregister_expedited(struct atomic_notifier_head *nh,

CHECK: extern prototypes should be avoided in .h files
#79: FILE: include/linux/notifier.h:162:
+extern int atomic_notifier_chain_unregister_expedited(struct atomic_notifier_head *nh,

CHECK: Alignment should match open parenthesis
#80: FILE: include/linux/notifier.h:163:
+extern int atomic_notifier_chain_unregister_expedited(struct atomic_notifier_head *nh,
+		struct notifier_block *nb);

WARNING: line length of 98 exceeds 80 columns
#93: FILE: kernel/notifier.c:201:
+ *	atomic_notifier_chain_unregister_expedited - Remove notifier from an atomic notifier chain

CHECK: Alignment should match open parenthesis
#103: FILE: kernel/notifier.c:211:
+int atomic_notifier_chain_unregister_expedited(struct atomic_notifier_head *nh,
+		struct notifier_block *n)

total: 0 errors, 3 warnings, 3 checks, 61 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 e8a1460adbb2 ("net/mlx5: Expedite notifier unregistration during device teardown") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 3 warnings, 3 checks, 61 lines checked