Author: Julia Lawall <julia@diku.dk> Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to,size,flag; position p; identifier l1,l2; @@ – to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( – to==NULL + IS_ERR(to) || …) { } – …
May 17 2010
[S390] drivers/s390/char: Use kmemdup
Author: Julia Lawall <julia@diku.dk> Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to,size,flag; statement S; @@ – to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || …) S – memcpy(to, from, …
May 17 2010
[S390] drivers/s390/char: Use kstrdup
Author: Julia Lawall <julia@diku.dk> Use kstrdup when the goal of an allocation is copy a string into the allocated region. Additionally drop the now unused variable len. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to; expression flag,E1,E2; statement S; @@ – to = kmalloc(strlen(from) + 1,flag); + to …
May 17 2010
drivers/s390/net: Drop memory allocation cast
Author: Julia Lawall <julia@diku.dk> Drop cast on the result of kmalloc and similar functions. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ type T; @@ – (T *) (\(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\| kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(…)) // Signed-off-by: Julia Lawall Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller — drivers/s390/net/ctcm_main.c | 6 ++—- drivers/s390/net/ctcm_mpc.c | 6 ++—- …
May 16 2010
drivers/net/wireless/orinoco: Use kmemdup
Author: Julia Lawall <julia@diku.dk> Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to,size,flag; statement S; @@ – to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || …) S – memcpy(to, from, …
May 16 2010
drivers/mtd: Use kmemdup
Author: Julia Lawall <julia@diku.dk> Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to,size,flag; statement S; @@ – to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || …) S – memcpy(to, from, …
May 16 2010
drivers/net/wireless/p54: Use kmemdup
Author: Julia Lawall <julia@diku.dk> Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to,size,flag; statement S; @@ – to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || …) S – memcpy(to, from, …
May 16 2010
IB/core: Use kmemdup() instead of kmalloc()+memcpy()
Author: Julia Lawall <julia@diku.dk> Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to,size,flag; statement S; @@ – to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || …) S – memcpy(to, from, …
May 16 2010
drivers/platform/x86: Use kmemdup
Author: Julia Lawall <julia@diku.dk> Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to,size,flag; statement S; @@ – to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || …) S – memcpy(to, from, …
May 16 2010
Staging: Use kmemdup
Author: Julia Lawall <julia@diku.dk> Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression from,to,size,flag; statement S; @@ – to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || …) S – memcpy(to, from, …
