There are a few calls of memset() to stream->resources, but they all
are called in a wrong size, sizeof(unsigned char) * VORTEX_RESOURCE_LAST,
while this field is a u32 array. This may leave the memories not
zero-cleared.
Fix it by replacing them with a simpler sizeof(stream->resources)
instead.
Reported-by: David Binderman <dcb314@xxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/pci/au88x0/au88x0_core.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/sound/pci/au88x0/au88x0_core.c b/sound/pci/au88x0/au88x0_core.c
index 4667c3232b7f..4a054d720112 100644
--- a/sound/pci/au88x0/au88x0_core.c
+++ b/sound/pci/au88x0/au88x0_core.c
@@ -2151,8 +2151,7 @@ vortex_adb_allocroute(vortex_t *vortex, int dma, int nr_ch, int dir,
stream->resources, en,
VORTEX_RESOURCE_SRC)) < 0) {
memset(stream->resources, 0,
- sizeof(unsigned char) *
- VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
return -EBUSY;
}
if (stream->type != VORTEX_PCM_A3D) {
@@ -2162,7 +2161,7 @@ vortex_adb_allocroute(vortex_t *vortex, int dma, int nr_ch, int dir,
VORTEX_RESOURCE_MIXIN)) < 0) {
memset(stream->resources,
0,
- sizeof(unsigned char) * VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
return -EBUSY;
}
}
@@ -2175,8 +2174,7 @@ vortex_adb_allocroute(vortex_t *vortex, int dma, int nr_ch, int dir,
stream->resources, en,
VORTEX_RESOURCE_A3D)) < 0) {
memset(stream->resources, 0,
- sizeof(unsigned char) *
- VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
dev_err(vortex->card->dev,
"out of A3D sources. Sorry\n");
return -EBUSY;
@@ -2290,8 +2288,7 @@ vortex_adb_allocroute(vortex_t *vortex, int dma, int nr_ch, int dir,
VORTEX_RESOURCE_MIXOUT))
< 0) {
memset(stream->resources, 0,
- sizeof(unsigned char) *
- VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
return -EBUSY;
}
if ((src[i] =
@@ -2299,8 +2296,7 @@ vortex_adb_allocroute(vortex_t *vortex, int dma, int nr_ch, int dir,
stream->resources, en,
VORTEX_RESOURCE_SRC)) < 0) {
memset(stream->resources, 0,
- sizeof(unsigned char) *
- VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
return -EBUSY;
}
}
--
2.8.2
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