Convert ERR_PTR(PTR_ERR(p)) instances to ERR_CAST(p)

Convert instances of ERR_PTR(PTR_ERR(p)) to ERR_CAST(p) using:

perl -spi -e 's/ERR_PTR[(]PTR_ERR[(](.*)[)][)]/ERR_CAST(\1)/' `grep -rl 'ERR_PTR[(]*PTR_ERR' fs crypto net security`

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/security/keys/key.c b/security/keys/key.c
index fdd5ca6d..654d23b 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -820,7 +820,7 @@
 	key = key_alloc(ktype, description, current->fsuid, current->fsgid,
 			current, perm, flags);
 	if (IS_ERR(key)) {
-		key_ref = ERR_PTR(PTR_ERR(key));
+		key_ref = ERR_CAST(key);
 		goto error_3;
 	}