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fix variable type in qemu-io.c 

The variable len can get a negative return value from cvtnum,
which we check for, but which is impossible with the current
unsigned variable type.  Currently the if(len < 0) check is
pointless.  This patch fixes that.

Signed-off-by: Joel Schopp <jschopp@austin.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Joel Schopp 2010-07-21 15:05:16 -05:00 committed by Aurelien Jarno
parent 61bca2942c
commit ca1d6ac657
1 changed files with 2 additions and 2 deletions
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4
qemu-io.c
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@ -135,7 +135,7 @@ create_iovec(QEMUIOVector *qiov, char **argv, int nr_iov, int pattern)
for (i = 0; i < nr_iov; i++) {
char *arg = argv[i];
uint64_t len;
int64_t len;
len = cvtnum(arg);
if (len < 0) {
@ -144,7 +144,7 @@ create_iovec(QEMUIOVector *qiov, char **argv, int nr_iov, int pattern)
}
/* should be SIZE_T_MAX, but that doesn't exist */
if (len > UINT_MAX) {
if (len > INT_MAX) {
printf("too large length argument -- %s\n", arg);
goto fail;
}