diff options
Diffstat (limited to 'recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch')
-rwxr-xr-x | recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch b/recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch new file mode 100755 index 00000000..dfedd186 --- /dev/null +++ b/recipes-multimedia/tinycompress/tinycompress/0004-tinycompress-pass-NULL-buffer-with-0-size-to-driver.patch | |||
@@ -0,0 +1,40 @@ | |||
1 | From a2892bf5db7520689fa9cb1d1589fa804bd9dc1a Mon Sep 17 00:00:00 2001 | ||
2 | From: Bing Song <bing.song@nxp.com> | ||
3 | Date: Tue, 18 Aug 2020 15:26:51 +0800 | ||
4 | Subject: [PATCH] tinycompress: pass NULL buffer with 0 size to driver. | ||
5 | |||
6 | The NULL buffer with 0 size to indecate driver drain input data with | ||
7 | non-block mode. The defaul drain is block mode. | ||
8 | |||
9 | Upstream-Status: Inappropriate [i.MX specific] | ||
10 | Signed-off-by: Bing Song <bing.song@nxp.com> | ||
11 | --- | ||
12 | src/lib/compress.c | 5 +++-- | ||
13 | 1 file changed, 3 insertions(+), 2 deletions(-) | ||
14 | |||
15 | diff --git a/src/lib/compress.c b/src/lib/compress.c | ||
16 | index bba4fcf..d66df0b 100644 | ||
17 | --- a/src/lib/compress.c | ||
18 | +++ b/src/lib/compress.c | ||
19 | @@ -315,7 +315,8 @@ int compress_write(struct compress *compress, const void *buf, unsigned int size | ||
20 | fds.events = POLLOUT; | ||
21 | |||
22 | /*TODO: treat auto start here first */ | ||
23 | - while (size) { | ||
24 | + /* NULL buffer with 0 size for non-block drain */ | ||
25 | + do { | ||
26 | if (ioctl(compress->fd, SNDRV_COMPRESS_AVAIL, &avail)) | ||
27 | return oops(compress, errno, "cannot get avail"); | ||
28 | |||
29 | @@ -357,7 +358,7 @@ int compress_write(struct compress *compress, const void *buf, unsigned int size | ||
30 | size -= written; | ||
31 | cbuf += written; | ||
32 | total += written; | ||
33 | - } | ||
34 | + } while (size); | ||
35 | return total; | ||
36 | } | ||
37 | |||
38 | -- | ||
39 | 2.17.1 | ||
40 | |||