[svn-commits] sruffell: linux/trunk r9593 - in /linux/trunk: drivers/dahdi/ include/dahdi/

[SVN commits to the Digium repositories]

Author: sruffell
Date: Mon Jan  3 12:27:05 2011
New Revision: 9593

URL: http://svnview.digium.com/svn/dahdi?view=rev&rev=9593
Log:
dahdi: Introduce dahdi_kasprintf for pre 2.6.12 kernels.

kasprintf will be used in upcoming changes and it's not supported on
RHEL4 kernels. This change essentially backports it.

Signed-off-by: Shaun Ruffell <sruffell at digium.com>
Acked-by: Kinsey Moore <kmoore at digium.com>

Modified:
    linux/trunk/drivers/dahdi/dahdi-base.c
    linux/trunk/include/dahdi/kernel.h

Modified: linux/trunk/drivers/dahdi/dahdi-base.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/dahdi-base.c?view=diff&rev=9593&r1=9592&r2=9593
==============================================================================
--- linux/trunk/drivers/dahdi/dahdi-base.c (original)
+++ linux/trunk/drivers/dahdi/dahdi-base.c Mon Jan  3 12:27:05 2011
@@ -9058,5 +9058,34 @@
 #endif
 }
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 12)
+char *dahdi_kasprintf(gfp_t gfp, const char *fmt, ...)
+{
+	va_list ap;
+	char *p;
+	char *temp;
+	unsigned int len;
+
+	temp = kmalloc(PAGE_SIZE, GFP_KERNEL);
+	if (!temp)
+		return NULL;
+
+	va_start(ap, fmt);
+	len = vsnprintf(temp, PAGE_SIZE, fmt, ap);
+	va_end(ap);
+
+	p = kzalloc(len + 1, gfp);
+	if (!p) {
+		kfree(temp);
+		return NULL;
+	}
+
+	memcpy(p, temp, len + 1);
+	kfree(temp);
+	return p;
+}
+EXPORT_SYMBOL(dahdi_kasprintf);
+#endif
+
 module_init(dahdi_init);
 module_exit(dahdi_cleanup);

Modified: linux/trunk/include/dahdi/kernel.h
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/include/dahdi/kernel.h?view=diff&rev=9593&r1=9592&r2=9593
==============================================================================
--- linux/trunk/include/dahdi/kernel.h (original)
+++ linux/trunk/include/dahdi/kernel.h Mon Jan  3 12:27:05 2011
@@ -1285,6 +1285,8 @@
 #define kzalloc(a, b) kcalloc(1, a, b)
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 12)
 #define synchronize_rcu() synchronize_kernel()
+#define kasprintf dahdi_kasprintf
+char *dahdi_kasprintf(gfp_t gfp, const char *fmt, ...);
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 11)
 #if !defined(HAVE_WAIT_FOR_COMPLETION_TIMEOUT)
 static inline unsigned long
@@ -1301,6 +1303,7 @@
 	return timeout;
 }
 #endif
+
 #endif /* 2.6.11 */
 #endif /* 2.6.12 */
 #endif /* 2.6.14 */