diff options
| author | Jean-François Moine <moinejf@free.fr> | 2010-06-24 05:14:22 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-08-02 14:52:20 -0300 |
| commit | e795d912d71734890759e6341c69d20bebb0d10b (patch) | |
| tree | 7b95c2891b08e86bcd067ee4f4e0310ba5ad7e2b /drivers/media/video/gspca | |
| parent | a68f723cef2c97c30e84c39a847c0c5feff5f0d5 (diff) | |
V4L/DVB: gspca - main: Don't use the PG_Reserved flag for mmapped buffers
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca')
| -rw-r--r-- | drivers/media/video/gspca/gspca.c | 35 |
1 files changed, 2 insertions, 33 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index b7a5655cfd5..03a24510d66 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -506,36 +506,6 @@ static int gspca_is_compressed(__u32 format) return 0; } -static void *rvmalloc(long size) -{ - void *mem; - unsigned long adr; - - mem = vmalloc_32(size); - if (mem != NULL) { - adr = (unsigned long) mem; - while (size > 0) { - SetPageReserved(vmalloc_to_page((void *) adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - } - return mem; -} - -static void rvfree(void *mem, long size) -{ - unsigned long adr; - - adr = (unsigned long) mem; - while (size > 0) { - ClearPageReserved(vmalloc_to_page((void *) adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - vfree(mem); -} - static int frame_alloc(struct gspca_dev *gspca_dev, unsigned int count) { @@ -550,7 +520,7 @@ static int frame_alloc(struct gspca_dev *gspca_dev, gspca_dev->frsz = frsz; if (count > GSPCA_MAX_FRAMES) count = GSPCA_MAX_FRAMES; - gspca_dev->frbuf = rvmalloc(frsz * count); + gspca_dev->frbuf = vmalloc_32(frsz * count); if (!gspca_dev->frbuf) { err("frame alloc failed"); return -ENOMEM; @@ -582,8 +552,7 @@ static void frame_free(struct gspca_dev *gspca_dev) PDEBUG(D_STREAM, "frame free"); if (gspca_dev->frbuf != NULL) { - rvfree(gspca_dev->frbuf, - gspca_dev->nframes * gspca_dev->frsz); + vfree(gspca_dev->frbuf); gspca_dev->frbuf = NULL; for (i = 0; i < gspca_dev->nframes; i++) gspca_dev->frame[i].data = NULL; |