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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2016-07-06 17:25:55 +0300
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2016-07-06 17:25:55 +0300
commitea1a25c3348abc33d7d94db28501766adf3d1c7d (patch)
treeca3c5c8b72532117034dd2d57a2a85eead13db7b /sound/isa/wavefront/wavefront_synth.c
parent5e7ff2ca7f2da55fe777167849d0c93403bd0dc8 (diff)
parent262e2bfd7d1e1f1ee48b870e5dfabb87c06b975e (diff)
downloadlinux-ea1a25c3348abc33d7d94db28501766adf3d1c7d.tar.xz
Merge branch 'jejb-fixes' into fixes
Diffstat (limited to 'sound/isa/wavefront/wavefront_synth.c')
-rw-r--r--sound/isa/wavefront/wavefront_synth.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index 69f76ff5693d..718d5e3b7806 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -785,6 +785,9 @@ wavefront_send_patch (snd_wavefront_t *dev, wavefront_patch_info *header)
DPRINT (WF_DEBUG_LOAD_PATCH, "downloading patch %d\n",
header->number);
+ if (header->number >= ARRAY_SIZE(dev->patch_status))
+ return -EINVAL;
+
dev->patch_status[header->number] |= WF_SLOT_FILLED;
bptr = buf;
@@ -809,6 +812,9 @@ wavefront_send_program (snd_wavefront_t *dev, wavefront_patch_info *header)
DPRINT (WF_DEBUG_LOAD_PATCH, "downloading program %d\n",
header->number);
+ if (header->number >= ARRAY_SIZE(dev->prog_status))
+ return -EINVAL;
+
dev->prog_status[header->number] = WF_SLOT_USED;
/* XXX need to zero existing SLOT_USED bit for program_status[i]
@@ -898,6 +904,9 @@ wavefront_send_sample (snd_wavefront_t *dev,
header->number = x;
}
+ if (header->number >= WF_MAX_SAMPLE)
+ return -EINVAL;
+
if (header->size) {
/* XXX it's a debatable point whether or not RDONLY semantics