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authorDave Airlie <airlied@redhat.com>2024-11-04 14:25:33 +1000
committerDave Airlie <airlied@redhat.com>2024-11-04 14:25:33 +1000
commit30169bb64580bd7bce9290c1952bf0aa6cc37fe5 (patch)
tree94c6ab9dec68f5648a055752aad32d816bd27e11 /drivers/net/netconsole.c
parentbcfe43f0ea77c42c2154fb79b99b7d1d82ac3231 (diff)
parent59b723cd2adbac2a34fc8e12c74ae26ae45bf230 (diff)
Backmerge v6.12-rc6 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Backmerge Linus tree for some drm-fixes needed for msm and xe merges. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/net/netconsole.c')
-rw-r--r--drivers/net/netconsole.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 01cf33fa7503..de20928f7402 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -1161,8 +1161,14 @@ static void send_ext_msg_udp(struct netconsole_target *nt, const char *msg,
this_chunk = min(userdata_len - sent_userdata,
MAX_PRINT_CHUNK - preceding_bytes);
- if (WARN_ON_ONCE(this_chunk <= 0))
+ if (WARN_ON_ONCE(this_chunk < 0))
+ /* this_chunk could be zero if all the previous
+ * message used all the buffer. This is not a
+ * problem, userdata will be sent in the next
+ * iteration
+ */
return;
+
memcpy(buf + this_header + this_offset,
userdata + sent_userdata,
this_chunk);