diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 9ace359d6cc5..cbec006e10e4 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -722,7 +722,7 @@ struct address_space_operations {
 
 	The second case is when a request has been made to invalidate
         some or all pages in an address_space.  This can happen
-        through the fadvice(POSIX_FADV_DONTNEED) system call or by the
+        through the fadvise(POSIX_FADV_DONTNEED) system call or by the
         filesystem explicitly requesting it as nfs and 9fs do (when
         they believe the cache may be out of date with storage) by
         calling invalidate_inode_pages2().
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index fee1d95902b5..c98ec2efd750 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -1148,7 +1148,7 @@ END(error_entry)
 
 
 /*
- * On entry, EBS is a "return to kernel mode" flag:
+ * On entry, EBX is a "return to kernel mode" flag:
  *   1: already in kernel mode, don't need SWAPGS
  *   0: user gsbase is loaded, we need SWAPGS and standard preparation for return to usermode
  */
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index f95f25e786ef..1c41b74581f7 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -75,7 +75,7 @@ TRACE_EVENT(irq_handler_entry,
  * @ret: return value
  *
  * If the @ret value is set to IRQ_HANDLED, then we know that the corresponding
- * @action->handler scuccessully handled this irq. Otherwise, the irq might be
+ * @action->handler successfully handled this irq. Otherwise, the irq might be
  * a shared irq line, or the irq was not handled successfully. Can be used in
  * conjunction with the irq_handler_entry to understand irq handler latencies.
  */
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index b2b6efc083a4..5e10395da88e 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -610,8 +610,7 @@ static int perf_sysenter_enable(struct trace_event_call *call)
 	if (!sys_perf_refcount_enter)
 		ret = register_trace_sys_enter(perf_syscall_enter, NULL);
 	if (ret) {
-		pr_info("event trace: Could not activate"
-				"syscall entry trace point");
+		pr_info("event trace: Could not activate syscall entry trace point");
 	} else {
 		set_bit(num, enabled_perf_enter_syscalls);
 		sys_perf_refcount_enter++;
@@ -682,8 +681,7 @@ static int perf_sysexit_enable(struct trace_event_call *call)
 	if (!sys_perf_refcount_exit)
 		ret = register_trace_sys_exit(perf_syscall_exit, NULL);
 	if (ret) {
-		pr_info("event trace: Could not activate"
-				"syscall exit trace point");
+		pr_info("event trace: Could not activate syscall exit trace point");
 	} else {
 		set_bit(num, enabled_perf_exit_syscalls);
 		sys_perf_refcount_exit++;
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index cab7405f48d2..39d07e754822 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -305,7 +305,7 @@ config DEBUG_SECTION_MISMATCH
 	    a larger kernel).
 	  - Run the section mismatch analysis for each module/built-in.o file.
 	    When we run the section mismatch analysis on vmlinux.o, we
-	    lose valueble information about where the mismatch was
+	    lose valuable information about where the mismatch was
 	    introduced.
 	    Running the analysis for each module/built-in.o file
 	    tells where the mismatch happens much closer to the
diff --git a/security/inode.c b/security/inode.c
index e3df905ab5b1..acc3e9c8d5a7 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -156,12 +156,11 @@ EXPORT_SYMBOL_GPL(securityfs_create_file);
  * This function returns a pointer to a dentry if it succeeds.  This
  * pointer must be passed to the securityfs_remove() function when the file is
  * to be removed (no automatic cleanup happens if your module is unloaded,
- * you are responsible here).  If an error occurs, %NULL will be returned.
+ * you are responsible here).  If an error occurs, the function will return
+ * the error value (via ERR_PTR).
  *
  * If securityfs is not enabled in the kernel, the value %-ENODEV is
- * returned.  It is not wise to check for this value, but rather, check for
- * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling
- * code.
+ * returned.
  */
 struct dentry *securityfs_create_dir(const char *name, struct dentry *parent)
 {