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rtl8192u: remove the second argument of k[un]map_atomic()
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Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Cong Wang <amwang@redhat.com>
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Cong Wang authored and Cong Wang committed Mar 20, 2012
1 parent 86cbce4 commit e3debd2
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Showing 5 changed files with 13 additions and 59 deletions.
8 changes: 4 additions & 4 deletions drivers/staging/rtl8192u/ieee80211/cipher.c
Original file line number Diff line number Diff line change
Expand Up @@ -71,8 +71,8 @@ static int crypt(struct crypto_tfm *tfm,
u8 *src_p, *dst_p;
int in_place;

scatterwalk_map(&walk_in, 0);
scatterwalk_map(&walk_out, 1);
scatterwalk_map(&walk_in);
scatterwalk_map(&walk_out);
src_p = scatterwalk_whichbuf(&walk_in, bsize, tmp_src);
dst_p = scatterwalk_whichbuf(&walk_out, bsize, tmp_dst);
in_place = scatterwalk_samebuf(&walk_in, &walk_out,
Expand All @@ -84,10 +84,10 @@ static int crypt(struct crypto_tfm *tfm,

prfn(tfm, dst_p, src_p, crfn, enc, info, in_place);

scatterwalk_done(&walk_in, 0, nbytes);
scatterwalk_done(&walk_in, nbytes);

scatterwalk_copychunks(dst_p, &walk_out, bsize, 1);
scatterwalk_done(&walk_out, 1, nbytes);
scatterwalk_done(&walk_out, nbytes);

if (!nbytes)
return 0;
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8 changes: 4 additions & 4 deletions drivers/staging/rtl8192u/ieee80211/digest.c
Original file line number Diff line number Diff line change
Expand Up @@ -39,12 +39,12 @@ static void update(struct crypto_tfm *tfm,
unsigned int bytes_from_page = min(l, ((unsigned int)
(PAGE_SIZE)) -
offset);
char *p = crypto_kmap(pg, 0) + offset;
char *p = kmap_atomic(pg) + offset;

tfm->__crt_alg->cra_digest.dia_update
(crypto_tfm_ctx(tfm), p,
bytes_from_page);
crypto_kunmap(p, 0);
kunmap_atomic(p);
crypto_yield(tfm);
offset = 0;
pg++;
Expand Down Expand Up @@ -75,10 +75,10 @@ static void digest(struct crypto_tfm *tfm,
tfm->crt_digest.dit_init(tfm);

for (i = 0; i < nsg; i++) {
char *p = crypto_kmap(sg[i].page, 0) + sg[i].offset;
char *p = kmap_atomic(sg[i].page) + sg[i].offset;
tfm->__crt_alg->cra_digest.dia_update(crypto_tfm_ctx(tfm),
p, sg[i].length);
crypto_kunmap(p, 0);
kunmap_atomic(p);
crypto_yield(tfm);
}
crypto_digest_final(tfm, out);
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17 changes: 0 additions & 17 deletions drivers/staging/rtl8192u/ieee80211/internal.h
Original file line number Diff line number Diff line change
Expand Up @@ -23,23 +23,6 @@
#include <asm/kmap_types.h>


extern enum km_type crypto_km_types[];

static inline enum km_type crypto_kmap_type(int out)
{
return crypto_km_types[(in_softirq() ? 2 : 0) + out];
}

static inline void *crypto_kmap(struct page *page, int out)
{
return kmap_atomic(page, crypto_kmap_type(out));
}

static inline void crypto_kunmap(void *vaddr, int out)
{
kunmap_atomic(vaddr, crypto_kmap_type(out));
}

static inline void crypto_yield(struct crypto_tfm *tfm)
{
if (!in_softirq())
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20 changes: 0 additions & 20 deletions drivers/staging/rtl8192u/ieee80211/kmap_types.h

This file was deleted.

19 changes: 5 additions & 14 deletions drivers/staging/rtl8192u/ieee80211/scatterwalk.c
Original file line number Diff line number Diff line change
Expand Up @@ -13,8 +13,6 @@
* any later version.
*
*/
#include "kmap_types.h"

#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
Expand All @@ -23,13 +21,6 @@
#include "internal.h"
#include "scatterwalk.h"

enum km_type crypto_km_types[] = {
KM_USER0,
KM_USER1,
KM_SOFTIRQ0,
KM_SOFTIRQ1,
};

void *scatterwalk_whichbuf(struct scatter_walk *walk, unsigned int nbytes, void *scratch)
{
if (nbytes <= walk->len_this_page &&
Expand Down Expand Up @@ -62,9 +53,9 @@ void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg)
walk->offset = sg->offset;
}

void scatterwalk_map(struct scatter_walk *walk, int out)
void scatterwalk_map(struct scatter_walk *walk)
{
walk->data = crypto_kmap(walk->page, out) + walk->offset;
walk->data = kmap_atomic(walk->page) + walk->offset;
}

static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
Expand Down Expand Up @@ -103,17 +94,17 @@ void scatterwalk_done(struct scatter_walk *walk, int out, int more)
* has been verified as multiple of the block size.
*/
int scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
size_t nbytes, int out)
size_t nbytes)
{
if (buf != walk->data) {
while (nbytes > walk->len_this_page) {
memcpy_dir(buf, walk->data, walk->len_this_page, out);
buf += walk->len_this_page;
nbytes -= walk->len_this_page;

crypto_kunmap(walk->data, out);
kunmap_atomic(walk->data);
scatterwalk_pagedone(walk, out, 1);
scatterwalk_map(walk, out);
scatterwalk_map(walk);
}

memcpy_dir(buf, walk->data, nbytes, out);
Expand Down

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