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gf_w64.c: fix integer overflow 

Fix for Coverity issue (from Ceph):

CID 1193086 (#1 of 1): Unintentional integer overflow (OVERFLOW_BEFORE_WIDEN)
 overflow_before_widen: Potentially overflowing expression 1 << g_r with type
  int (32 bits, signed) is evaluated using 32-bit arithmetic, and then used in
  a context that expects an expression of type uint64_t (64 bits, unsigned).

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
master
Danny Al-Gaaf 2015-06-18 08:55:49 +02:00
parent 7972291e1f
commit 98e5e37159
1 changed files with 1 additions and 1 deletions
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2
src/gf_w64.c
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@ -994,7 +994,7 @@ int gf_w64_group_init(gf_t *gf)
gd->reduce = gd->shift + (1 << g_s);
gd->reduce[0] = 0;
for (i = 0; i < (1 << g_r); i++) {
for (i = 0; i < ((uint64_t)1 << g_r); i++) {
p = 0;
index = 0;
for (j = 0; j < g_r; j++) {