]> xenbits.xensource.com Git - people/iwj/xen.git/commitdiff
tools/kdd: alternative way of muting spurious gcc warning
authorMarek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Tue, 22 May 2018 19:47:45 +0000 (21:47 +0200)
committerIan Jackson <Ian.Jackson@eu.citrix.com>
Tue, 29 May 2018 09:51:02 +0000 (10:51 +0100)
Older gcc does not support #pragma GCC diagnostics, so use alternative
approach - change variable type to uint32_t (this code handle 32-bit
requests only anyway), which apparently also avoid gcc complaining about
this (otherwise correct) code.

Fixes 437e00fea04becc91c1b6bc1c0baa636b067a5cc "tools/kdd: mute spurious
gcc warning"

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Release-acked-by: Juergen Gross <jgross@suse.com>
Acked-by: Tim Deegan <tim@xen.org>
tools/debugger/kdd/kdd.c

index 61d769ece99e56cb290cac39bcfc3e9a35422316..5a019a0a0ca21d30a875d2ecc5e2fd13d6d73f9f 100644 (file)
@@ -687,7 +687,7 @@ static void kdd_handle_read_ctrl(kdd_state *s)
         }
     } else {
         /* 32-bit control-register space starts at 0x[2]cc, for 84 bytes */
-        uint64_t offset = addr;
+        uint32_t offset = addr;
         if (offset > 0x200)
             offset -= 0x200;
         offset -= 0xcc;
@@ -695,10 +695,7 @@ static void kdd_handle_read_ctrl(kdd_state *s)
             KDD_LOG(s, "Request outside of known control space\n");
             len = 0;
         } else {
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Warray-bounds"
             memcpy(buf, ((uint8_t *)&ctrl.c32) + offset, len);
-#pragma GCC diagnostic pop
         }
     }