diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2006-08-15 11:05:38 +0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-09-23 01:54:45 +0400 |
| commit | 9c3bd6833a4df1abd9ecd3b51492b8949bf9cd11 (patch) | |
| tree | 6835d90852cd40289ad970b979b694ed55203e60 /drivers/net/irda/ali-ircc.c | |
| parent | 9a673e563e543a5c8a6f9824562e55e807b8a56c (diff) | |
| download | linux-9c3bd6833a4df1abd9ecd3b51492b8949bf9cd11.tar.xz | |
[IRDA]: Replace hard-coded dev_self[] array sizes with ARRAY_SIZE()
Several IR drivers used "for (i = 0; i < 4; i++)" to walk their
dev_self[] table. Better to use ARRAY_SIZE(). And fix ali-ircc so it
won't run off the end if we find too many adapters.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/irda/ali-ircc.c')
| -rw-r--r-- | drivers/net/irda/ali-ircc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c index e3c8cd5eca67..68d4c418cb98 100644 --- a/drivers/net/irda/ali-ircc.c +++ b/drivers/net/irda/ali-ircc.c @@ -249,7 +249,7 @@ static void __exit ali_ircc_cleanup(void) IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__); - for (i=0; i < 4; i++) { + for (i=0; i < ARRAY_SIZE(dev_self); i++) { if (dev_self[i]) ali_ircc_close(dev_self[i]); } @@ -273,6 +273,12 @@ static int ali_ircc_open(int i, chipio_t *info) int err; IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__); + + if (i >= ARRAY_SIZE(dev_self)) { + IRDA_ERROR("%s(), maximum number of supported chips reached!\n", + __FUNCTION__); + return -ENOMEM; + } /* Set FIR FIFO and DMA Threshold */ if ((ali_ircc_setup(info)) == -1) |