* Coverity: intel_set_dp_tp_ctl_normal(): Memory - illegal accesses
@ 2019-10-28 23:05 coverity-bot
0 siblings, 0 replies; only message in thread
From: coverity-bot @ 2019-10-28 23:05 UTC (permalink / raw)
To: Manasi Navare; +Cc: Maarten Lankhorst, Gustavo A. R. Silva, linux-next
Hello!
This is an experimental automated report about issues detected by Coverity
from a scan of next-20191025 as part of the linux-next weekly scan project:
https://scan.coverity.com/projects/linux-next-weekly-scan
You're getting this email because you were associated with the identified
lines of code (noted below) that were touched by recent commits:
eadf6f9170d5 ("drm/i915/display/icl: Enable master-slaves in trans port sync")
Coverity reported the following:
*** CID 1487364: Memory - illegal accesses (UNINIT)
/drivers/gpu/drm/i915/display/intel_display.c: 14249 in intel_set_dp_tp_ctl_normal()
14243 int i;
14244
14245 for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
14246 if (conn_state->crtc == &crtc->base)
14247 break;
14248 }
vvv CID 1487364: Memory - illegal accesses (UNINIT)
vvv Using uninitialized value "conn" when calling "intel_attached_encoder".
14249 intel_dp = enc_to_intel_dp(&intel_attached_encoder(conn)->base);
14250 intel_dp_stop_link_train(intel_dp);
14251 }
14252
14253 static void intel_post_crtc_enable_updates(struct intel_crtc *crtc,
14254 struct intel_atomic_state *state)
If this is a false positive, please let us know so we can mark it as
such, or teach the Coverity rules to be smarter. If not, please make
sure fixes get into linux-next. :) For patches fixing this, please
include:
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1487364 ("Memory - illegal accesses")
Fixes: eadf6f9170d5 ("drm/i915/display/icl: Enable master-slaves in trans port sync")
Thanks for your attention!
--
Coverity-bot
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