drm/nouveau: nouveau: use correct string length
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Web: https://git.kernel.org/torvalds/c/ee0d58100296d9b1a2aa23b913c09e8f297449a4 Commit: ee0d58100296d9b1a2aa23b913c09e8f297449a4 Parent: 94ee54dc808aa5a13630b082d6f892d0cf7bf527 Refname: refs/heads/master Author: Arnd Bergmann <[email protected]> AuthorDate: Mon Dec 4 15:54:26 2017 +0100 Committer: Ben Skeggs <[email protected]> CommitDate: Fri Feb 2 15:24:04 2018 +1000 drm/nouveau: nouveau: use correct string length gcc-8 reports drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c: In function 'nvkm_perfmon_mthd': include/linux/string.h:265:9: error: '__builtin_strncpy' specified bound 64 equals destination size [-Werror=stringop-truncation] We need one less byte or call strlcpy() to make it a nul-terminated string. Signed-off-by: Arnd Bergmann <[email protected]> Signed-off-by: Ben Skeggs <[email protected]> --- drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c index dde89a4a0f5b..53859b6254d6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c @@ -462,7 +462,7 @@ nvkm_perfmon_mthd_query_domain(struct nvkm_perfmon *perfmon, args->v0.id = di; args->v0.signal_nr = nvkm_perfdom_count_perfsig(dom); - strncpy(args->v0.name, dom->name, sizeof(args->v0.name)); + strncpy(args->v0.name, dom->name, sizeof(args->v0.name) - 1); /* Currently only global counters (PCOUNTER) are implemented * but this will be different for local counters (MP). */ @@ -514,7 +514,7 @@ nvkm_perfmon_mthd_query_signal(struct nvkm_perfmon *perfmon, "/%s/%02x", dom->name, si); } else { strncpy(args->v0.name, sig->name, - sizeof(args->v0.name)); + sizeof(args->v0.name) - 1); } args->v0.signal = si; @@ -572,7 +572,7 @@ nvkm_perfmon_mthd_query_source(struct nvkm_perfmon *perfmon, args->v0.source = sig->source[si]; args->v0.mask = src->mask; - strncpy(args->v0.name, src->name, sizeof(args->v0.name)); + strncpy(args->v0.name, src->name, sizeof(args->v0.name) - 1); } if (++si < source_nr) { -- To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html