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authorAndrey Yurovsky <andrey@cozybit.com>2009-08-13 17:34:40 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-08-20 11:35:50 -0400
commit6f632d57f35303118685b88c139f3da73df077e2 (patch)
tree687a6547ca2dfb65204df9bc8a2e724a3c9a6899 /drivers/net/wireless/libertas
parentb23da49e6db341f4721476394dd8b95e0be2d179 (diff)
libertas: don't use dynamic-sized array
sparse complains about a bad constant expression due to the use of a dynamic-sized array in get_common_rates(). Allocate and free the array instead. Signed-off-by: Andrey Yurovsky <andrey@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas')
-rw-r--r--drivers/net/wireless/libertas/assoc.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 385b50f4b10..81f86ef2699 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -45,9 +45,14 @@ static int get_common_rates(struct lbs_private *priv,
u8 *card_rates = lbs_bg_rates;
size_t num_card_rates = sizeof(lbs_bg_rates);
int ret = 0, i, j;
- u8 tmp[30];
+ u8 *tmp;
size_t tmp_size = 0;
+ tmp = kzalloc((ARRAY_SIZE(lbs_bg_rates) - 1) * (*rates_size - 1),
+ GFP_KERNEL);
+ if (!tmp)
+ return -1;
+
/* For each rate in card_rates that exists in rate1, copy to tmp */
for (i = 0; card_rates[i] && (i < num_card_rates); i++) {
for (j = 0; rates[j] && (j < *rates_size); j++) {
@@ -77,6 +82,7 @@ done:
memset(rates, 0, *rates_size);
*rates_size = min_t(int, tmp_size, *rates_size);
memcpy(rates, tmp, *rates_size);
+ kfree(tmp);
return ret;
}