From 16a8f181ba61ac5d53ebdd13c0bcc1d185f0e90c Mon Sep 17 00:00:00 2001
From: Rose <83477269+AtariDreams@users.noreply.github.com>
Date: Fri, 3 Feb 2023 10:55:17 -0500
Subject: [PATCH] Remove redundant checks

These checks just do extra work and have no effect

My justification:
https://godbolt.org/z/bP6GzzMza
---
 backend/usb-darwin.c   | 3 +--
 cups/tls-darwin.c      | 2 +-
 cups/tls-sspi.c        | 2 +-
 filter/rastertoepson.c | 5 ++---
 scheduler/type.c       | 2 +-
 5 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/backend/usb-darwin.c b/backend/usb-darwin.c
index a414050828..a4cd25dcb7 100644
--- a/backend/usb-darwin.c
+++ b/backend/usb-darwin.c
@@ -1809,8 +1809,7 @@ static CFStringRef copy_printer_interface_indexed_description(printer_interface_
 	if (description[1] != kUSBStringDesc)
 		return NULL;
 
-	if ((description[0] & 1) != 0)
-		description[0] &= ~1;
+	description[0] &= ~1;
 
 	if (description[0] < 2)
 		return CFSTR("");
diff --git a/cups/tls-darwin.c b/cups/tls-darwin.c
index 869e94db9d..002236a3b1 100644
--- a/cups/tls-darwin.c
+++ b/cups/tls-darwin.c
@@ -793,7 +793,7 @@ httpCredentialsString(
   if (!buffer)
     return (0);
 
-  if (buffer && bufsize > 0)
+  if (bufsize > 0)
     *buffer = '\0';
 
   if ((first = (http_credential_t *)cupsArrayFirst(credentials)) != NULL &&
diff --git a/cups/tls-sspi.c b/cups/tls-sspi.c
index 14f1a084a1..f925122f27 100644
--- a/cups/tls-sspi.c
+++ b/cups/tls-sspi.c
@@ -324,7 +324,7 @@ httpCredentialsString(
   if (!buffer)
     return (0);
 
-  if (buffer && bufsize > 0)
+  if (bufsize > 0)
     *buffer = '\0';
 
   cert = http_sspi_create_credential(first);
diff --git a/filter/rastertoepson.c b/filter/rastertoepson.c
index c815691dc7..b9cfa548e9 100644
--- a/filter/rastertoepson.c
+++ b/filter/rastertoepson.c
@@ -462,11 +462,10 @@ CompressData(const unsigned char *line,	/* I - Data to compress */
       *comp_ptr++ = temp;
 
      /*
-      * Check the last bit in the current byte and the first bit in the
-      * next byte...
+      * Check the last bit in the current byte...
       */
 
-      if ((temp & 0x01) && comp_ptr < line_end && *comp_ptr & 0x80)
+      if ((temp & 0x01) && comp_ptr < line_end)
         *comp_ptr &= 0x7f;
     }
   }
diff --git a/scheduler/type.c b/scheduler/type.c
index 731514c07f..c6c531022b 100644
--- a/scheduler/type.c
+++ b/scheduler/type.c
@@ -221,7 +221,7 @@ mimeAddTypeRule(mime_type_t *mt,	/* I - Type to add to */
     else if (*rule == '+' && current != NULL)
     {
       if (logic != MIME_MAGIC_AND &&
-          current != NULL && current->prev != NULL)
+          current->prev != NULL)
       {
        /*
         * OK, we have more than 1 rule in the current tree level...  Make a