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From a4f8fe965e1ed0d27aff0cdf30e2c571da2e5356 Mon Sep 17 00:00:00 2001
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From: Kazuhito Hagio <k-hagio-ab@nec.com>
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Date: Thu, 1 Sep 2022 14:03:09 +0900
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Subject: [PATCH 21/28] Fix gcc-12 compiler warnings on lkcd_*.c
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Without the patch, the following gcc-12 compiler warnings are emitted
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for lkcd_*.c:
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lkcd_v1.c: In function 'dump_lkcd_environment_v1':
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lkcd_v1.c:252:20: warning: the comparison will always evaluate as 'true' for the address of 'dh_panic_string' will never be NULL [-Waddress]
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252 | dh && dh->dh_panic_string &&
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| ^~
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In file included from lkcd_v1.c:21:
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lkcd_vmdump_v1.h:108:30: note: 'dh_panic_string' declared here
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108 | char dh_panic_string[DUMP_PANIC_LEN];
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| ^~~~~~~~~~~~~~~
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...
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Reported-by: Lianbo Jiang <lijiang@redhat.com>
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Signed-off-by: Kazuhito Hagio <k-hagio-ab@nec.com>
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Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
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---
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lkcd_v1.c | 3 +--
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lkcd_v2_v3.c | 3 +--
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lkcd_v5.c | 3 +--
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lkcd_v7.c | 3 +--
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lkcd_v8.c | 3 +--
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5 files changed, 5 insertions(+), 10 deletions(-)
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diff --git a/lkcd_v1.c b/lkcd_v1.c
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index 5f891aeb1ce3..31bdc04c5fdd 100644
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--- a/lkcd_v1.c
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+++ b/lkcd_v1.c
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@@ -249,8 +249,7 @@ dump_header_only:
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lkcd_print(" dh_eip: %lx\n", dh->dh_eip);
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lkcd_print(" dh_num_pages: %d\n", dh->dh_num_pages);
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lkcd_print(" dh_panic_string: %s%s", dh->dh_panic_string,
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- dh && dh->dh_panic_string &&
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- strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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+ dh && strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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lkcd_print(" dh_time: %s\n",
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strip_linefeeds(ctime(&(dh->dh_time.tv_sec))));
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diff --git a/lkcd_v2_v3.c b/lkcd_v2_v3.c
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index 8635a7b07c77..edcb6637a55e 100644
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--- a/lkcd_v2_v3.c
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+++ b/lkcd_v2_v3.c
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@@ -307,8 +307,7 @@ dump_header_only:
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lkcd_print(" dh_num_pages: ");
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lkcd_print(BITS32() ? "%ld\n" : "%d\n", dh->dh_num_pages);
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lkcd_print(" dh_panic_string: %s%s", dh->dh_panic_string,
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- dh && dh->dh_panic_string &&
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- strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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+ dh && strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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lkcd_print(" dh_time: %s\n",
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strip_linefeeds(ctime(&(dh->dh_time.tv_sec))));
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diff --git a/lkcd_v5.c b/lkcd_v5.c
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index cb7634d094ec..e3bfa6f4b272 100644
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--- a/lkcd_v5.c
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+++ b/lkcd_v5.c
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@@ -270,8 +270,7 @@ dump_header_only:
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lkcd_print(" dh_num_pages: ");
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lkcd_print(BITS32() ? "%ld\n" : "%d\n", dh->dh_num_pages);
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lkcd_print(" dh_panic_string: %s%s", dh->dh_panic_string,
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- dh && dh->dh_panic_string &&
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- strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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+ dh && strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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lkcd_print(" dh_time: %s\n",
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strip_linefeeds(ctime(&(dh->dh_time.tv_sec))));
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diff --git a/lkcd_v7.c b/lkcd_v7.c
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index 608e1481f01d..97d99008635a 100644
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--- a/lkcd_v7.c
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+++ b/lkcd_v7.c
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@@ -347,8 +347,7 @@ dump_header_only:
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lkcd_print(" dh_num_pages: ");
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lkcd_print(BITS32() ? "%ld\n" : "%d\n", dh->dh_num_pages);
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lkcd_print(" dh_panic_string: %s%s", dh->dh_panic_string,
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- dh && dh->dh_panic_string &&
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- strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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+ dh && strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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lkcd_print(" dh_time: %s\n",
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strip_linefeeds(ctime(&(dh->dh_time.tv_sec))));
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diff --git a/lkcd_v8.c b/lkcd_v8.c
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index 3b355e056123..4167fa5e4292 100644
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--- a/lkcd_v8.c
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+++ b/lkcd_v8.c
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@@ -543,8 +543,7 @@ dump_header_only:
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lkcd_print(" dh_num_pages: ");
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lkcd_print(BITS32() ? "%ld\n" : "%d\n", dh->dh_num_pages);
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lkcd_print(" dh_panic_string: %s%s", dh->dh_panic_string,
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- dh && dh->dh_panic_string &&
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- strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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+ dh && strstr(dh->dh_panic_string, "\n") ? "" : "\n");
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tv.tv_sec = dh->dh_time.tv_sec;
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lkcd_print(" dh_time: %s\n",
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strip_linefeeds(ctime(&(tv.tv_sec))));
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--
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2.37.1
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