X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/b0d623f7f2ae71ed96e60569f61f9a9a27016e80..c331a0bec715536613c8dd5f34a4e115d5b15824:/bsd/dev/random/randomdev.c

diff --git a/bsd/dev/random/randomdev.c b/bsd/dev/random/randomdev.c
index ab9312f97..c081bd209 100644
--- a/bsd/dev/random/randomdev.c
+++ b/bsd/dev/random/randomdev.c
@@ -88,6 +88,18 @@ static struct cdevsw random_cdevsw =
 	0					/* type */
 };
 
+
+/*
+	WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!
+
+	ANY CODE PROTECTED UNDER "#ifdef __arm__" IS SERIOUSLY SUPPOSED TO BE THERE!
+	IF YOU REMOVE ARM CODE, RANDOM WILL NOT MEAN ANYTHING FOR iPHONES ALL OVER.
+	PLEASE DON'T TOUCH __arm__ CODE IN THIS FILE!
+
+	WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!
+*/
+
+
 /* Used to detect whether we've already been initialized */
 static int gRandomInstalled = 0;
 static PrngRef gPrngRef;
@@ -517,6 +529,7 @@ random_read(__unused dev_t dev, struct uio *uio, __unused int ioflag)
    /* lock down the mutex */
     lck_mtx_lock(gYarrowMutex);
 
+
 	int bytes_remaining = uio_resid(uio);
     while (bytes_remaining > 0 && retCode == 0) {
         /* get the user's data */
@@ -557,7 +570,6 @@ read_random(void* buffer, u_int numbytes)
     }
     
     lck_mtx_lock(gYarrowMutex);
-
 	int bytes_read = 0;
 
 	int bytes_remaining = numbytes;
@@ -589,3 +601,4 @@ RandomULong(void)
 	read_random(&buf, sizeof (buf));
 	return (buf);
 }
+