[PATCH] create a kstrdup library function
This patch creates a new kstrdup library function and changes the "local"
implementations in several places to use this function.
Most of the changes come from the sound and net subsystems. The sound part
had already been acknowledged by Takashi Iwai and the net part by David S.
Miller.
I left UML alone for now because I would need more time to read the code
carefully before making changes there.
Signed-off-by: Paulo Marques <pmarques@grupopie.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d6afd44..d89816a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -925,10 +925,6 @@
extern void net_enable_timestamp(void);
extern void net_disable_timestamp(void);
-#ifdef CONFIG_SYSCTL
-extern char *net_sysctl_strdup(const char *s);
-#endif
-
#endif /* __KERNEL__ */
#endif /* _LINUX_DEV_H */
diff --git a/include/linux/string.h b/include/linux/string.h
index b9fc594..93994c6 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -88,6 +88,8 @@
extern void * memchr(const void *,int,__kernel_size_t);
#endif
+extern char *kstrdup(const char *s, int gfp);
+
#ifdef __cplusplus
}
#endif
diff --git a/include/sound/core.h b/include/sound/core.h
index 9117c23..f8c4ef0a 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -292,6 +292,7 @@
void snd_hidden_kfree(const void *obj);
void *snd_hidden_vmalloc(unsigned long size);
void snd_hidden_vfree(void *obj);
+char *snd_hidden_kstrdup(const char *s, int flags);
#define kmalloc(size, flags) snd_hidden_kmalloc(size, flags)
#define kcalloc(n, size, flags) snd_hidden_kcalloc(n, size, flags)
#define kfree(obj) snd_hidden_kfree(obj)
@@ -301,6 +302,7 @@
#define vmalloc_nocheck(size) snd_wrapper_vmalloc(size)
#define kfree_nocheck(obj) snd_wrapper_kfree(obj)
#define vfree_nocheck(obj) snd_wrapper_vfree(obj)
+#define kstrdup(s, flags) snd_hidden_kstrdup(s, flags)
#else
#define snd_memory_init() /*NOP*/
#define snd_memory_done() /*NOP*/
@@ -311,7 +313,6 @@
#define kfree_nocheck(obj) kfree(obj)
#define vfree_nocheck(obj) vfree(obj)
#endif
-char *snd_kmalloc_strdup(const char *string, int flags);
int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count);
int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count);