Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/ipc/sem.c b/ipc/sem.c
index ae040a0..34193ed 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1362,7 +1362,7 @@
* semid identifiers are not unique - find_alloc_undo may have
* allocated an undo structure, it was invalidated by an RMID
* and now a new array with received the same id. Check and fail.
- * This case can be detected checking un->semid. The existance of
+ * This case can be detected checking un->semid. The existence of
* "un" itself is guaranteed by rcu.
*/
error = -EIDRM;