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File dahdi-warn-on-once.diff of Package dahdi-linux
From: Jan Engelhardt <jengelh@medozas.de> Date: 2011-10-17 21:16:28.811145336 +0200 Upstream: if you can get past the Asterisk Contributor Agreement for this GPL-only piece... WARN_ON_ONCE was absent from wctdm24xxp. --- drivers/dahdi/wctdm24xxp/base.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) Index: dahdi-linux-2.5.0.1/drivers/dahdi/wctdm24xxp/base.c =================================================================== --- dahdi-linux-2.5.0.1.orig/drivers/dahdi/wctdm24xxp/base.c +++ dahdi-linux-2.5.0.1/drivers/dahdi/wctdm24xxp/base.c @@ -81,6 +81,20 @@ Tx Gain - W/Pre-Emphasis: -23.99 to 0.00 #include "voicebus/GpakCust.h" #include "voicebus/GpakApi.h" +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18) +#ifndef WARN_ON_ONCE +#define WARN_ON_ONCE(__condition) do { \ + static int __once = 1; \ + if (unlikely(__condition)) { \ + if (__once) { \ + __once = 0; \ + WARN_ON(0); \ + } \ + } \ +} while (0) +#endif +#endif + #if VOICEBUS_SFRAME_SIZE != SFRAME_SIZE #error SFRAME_SIZE must match the VOICEBUS_SFRAME_SIZE #endif