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authorStefan Hajnoczi <stefanha@redhat.com>2017-05-10 12:31:13 -0400
committerStefan Hajnoczi <stefanha@redhat.com>2017-05-10 12:31:19 -0400
commitf465706e590a6543542246a9f1b591e5be39c568 (patch)
tree611797f83d6c53bfe8cb5371ba4fd53c4d122541 /hw/usb
parent1effe6ad5eac1b2e50a077695ac801d172891d6a (diff)
parente1ae9fb6c2a35015ed4881def4a4a7b6be2d15f0 (diff)
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Merge remote-tracking branch 'mjt/tags/trivial-patches-fetch' into staging
trivial patches for 2017-05-10 # gpg: Signature made Wed 10 May 2017 03:19:30 AM EDT # gpg: using RSA key 0x701B4F6B1A693E59 # gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" # gpg: aka "Michael Tokarev <mjt@corpit.ru>" # gpg: aka "Michael Tokarev <mjt@debian.org>" # Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5 # Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931 4B22 701B 4F6B 1A69 3E59 * mjt/tags/trivial-patches-fetch: (23 commits) tests: Remove redundant assignment MAINTAINERS: Update paths for AioContext implementation MAINTAINERS: Update paths for main loop jazz_led: fix bad snprintf tests: Ignore another built executable (test-hmp) scripts: Switch to more portable Perl shebang scripts/qemu-binfmt-conf.sh: Fix shell portability issue virtfs: allow a device id to be specified in the -virtfs option hw/core/generic-loader: Fix crash when running without CPU virtio-blk: Remove useless condition around g_free() qemu-doc: Fix broken URLs of amnhltm.zip and dosidle210.zip use _Static_assert in QEMU_BUILD_BUG_ON channel-file: fix wrong parameter comments block: Make 'replication_state' an enum util: Use g_malloc/g_free in envlist.c qga: fix compiler warnings (clang 5) device_tree: fix compiler warnings (clang 5) usb-ccid: make ccid_write_data_block() cope with null buffers tests: Ignore more test executables Add 'none' as type for drive's if option ... Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/dev-smartcard-reader.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index 757b8b3..49cb182 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -813,7 +813,10 @@ static void ccid_write_data_block(USBCCIDState *s, uint8_t slot, uint8_t seq,
if (p->b.bError) {
DPRINTF(s, D_VERBOSE, "error %d\n", p->b.bError);
}
- memcpy(p->abData, data, len);
+ if (len) {
+ g_assert_nonnull(data);
+ memcpy(p->abData, data, len);
+ }
ccid_reset_error_status(s);
usb_wakeup(s->bulk, 0);
}