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authorThomas Rast <trast@student.ethz.ch>2012-03-05 14:48:49 +0100
committerJunio C Hamano <gitster@pobox.com>2012-03-05 09:36:09 -0800
commita8ea1b7a5580bc4377818fb6718d55d4b735dae8 (patch)
tree7c9d7ab1d5e2f52beb7eba73d86730c777472168 /fast-import.c
parentead8eb8c1092ce2d94d70872946829a7a946ae9d (diff)
downloadgit-a8ea1b7a5580bc4377818fb6718d55d4b735dae8.tar.gz
fast-import: zero all of 'struct tag' to silence valgrind
When running t9300, valgrind (correctly) complains about an uninitialized value in write_crash_report: ==2971== Use of uninitialised value of size 8 ==2971== at 0x4164F4: sha1_to_hex (hex.c:70) ==2971== by 0x4073E4: die_nicely (fast-import.c:468) ==2971== by 0x43284C: die (usage.c:86) ==2971== by 0x40420D: main (fast-import.c:2731) ==2971== Uninitialised value was created by a heap allocation ==2971== at 0x4C29B3D: malloc (vg_replace_malloc.c:263) ==2971== by 0x433645: xmalloc (wrapper.c:35) ==2971== by 0x405DF5: pool_alloc (fast-import.c:619) ==2971== by 0x407755: pool_calloc.constprop.14 (fast-import.c:634) ==2971== by 0x403F33: main (fast-import.c:3324) Fix this by zeroing all of the 'struct tag'. We would only need to zero out the 'sha1' field, but this way seems more future-proof. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'fast-import.c')
-rw-r--r--fast-import.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fast-import.c b/fast-import.c
index 6cd19e580b..c1486cabba 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -2712,7 +2712,7 @@ static void parse_new_tag(void)
/* Obtain the new tag name from the rest of our command */
sp = strchr(command_buf.buf, ' ') + 1;
t = pool_alloc(sizeof(struct tag));
- t->next_tag = NULL;
+ memset(t, 0, sizeof(struct tag));
t->name = pool_strdup(sp);
if (last_tag)
last_tag->next_tag = t;