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airo: Reorder tests, check bounds before element

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Test whether index is within bounds before reading the element

Signed-off-by: Roel Kluin <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Roel Kluin 2009-10-26 15:28:11 +01:00 • committed by John W. Linville
commit 30bd572673
1 changed files with 2 additions and 3 deletions
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5
drivers/net/wireless/airo.c
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@ -4790,9 +4790,8 @@ static int proc_stats_rid_open( struct inode *inode,
static int get_dec_u16( char *buffer, int *start, int limit ) {
u16 value;
int valid = 0;
for( value = 0; buffer[*start] >= '0' &&
buffer[*start] <= '9' &&
*start < limit; (*start)++ ) {
for (value = 0; *start < limit && buffer[*start] >= '0' &&
buffer[*start] <= '9'; (*start)++) {
valid = 1;
value *= 10;
value += buffer[*start] - '0';