The usage of simple_strtoul is not preferred. Instead kstrtoul
should be used. This patch fixes this for the brcmfmac driver.
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: devel@xxxxxxxxxxxxxxxxxxxxxx
Reported-by: Dan Carpenter <error27@xxxxxxxxx>
Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx>
---
drivers/staging/brcm80211/brcmfmac/dhd_common.c | 27 +++++++++++++++++-----
1 files changed, 21 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_common.c b/drivers/staging/brcm80211/brcmfmac/dhd_common.c
index 12c772d..fdd3629 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd_common.c
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_common.c
@@ -827,10 +827,13 @@ static int brcmf_c_pattern_atoh(char *src, char *dst)
return -EINVAL;
}
for (i = 0; *src != '\0'; i++) {
+ unsigned long res;
char num[3];
strncpy(num, src, 2);
num[2] = '\0';
- dst[i] = (u8) simple_strtoul(num, NULL, 16);
+ if (kstrtoul(num, 16, &res))
+ return -EINVAL;
+ dst[i] = (u8)res;
src += 2;
}
return i;
@@ -840,6 +843,7 @@ void
brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, int enable,
int master_mode)
{
+ unsigned long res;
char *argv[8];
int i = 0;
const char *str;
@@ -876,7 +880,9 @@ brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, int enable,
pkt_filterp = (struct brcmf_pkt_filter_enable *) (buf + str_len + 1);
/* Parse packet filter id. */
- enable_parm.id = simple_strtoul(argv[i], NULL, 0);
+ enable_parm.id = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ enable_parm.id = (u32)res;
/* Parse enable/disable value. */
enable_parm.enable = enable;
@@ -913,6 +919,7 @@ void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
const char *str;
struct brcmf_pkt_filter pkt_filter;
struct brcmf_pkt_filter *pkt_filterp;
+ unsigned long res;
int buf_len;
int str_len;
int rc;
@@ -956,7 +963,9 @@ void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
pkt_filterp = (struct brcmf_pkt_filter *) (buf + str_len + 1);
/* Parse packet filter id. */
- pkt_filter.id = simple_strtoul(argv[i], NULL, 0);
+ pkt_filter.id = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.id = (u32)res;
if (NULL == argv[++i]) {
BRCMF_ERROR(("Polarity not provided\n"));
@@ -964,7 +973,9 @@ void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
}
/* Parse filter polarity. */
- pkt_filter.negate_match = simple_strtoul(argv[i], NULL, 0);
+ pkt_filter.negate_match = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.negate_match = (u32)res;
if (NULL == argv[++i]) {
BRCMF_ERROR(("Filter type not provided\n"));
@@ -972,7 +983,9 @@ void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
}
/* Parse filter type. */
- pkt_filter.type = simple_strtoul(argv[i], NULL, 0);
+ pkt_filter.type = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.type = (u32)res;
if (NULL == argv[++i]) {
BRCMF_ERROR(("Offset not provided\n"));
@@ -980,7 +993,9 @@ void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
}
/* Parse pattern filter offset. */
- pkt_filter.u.pattern.offset = simple_strtoul(argv[i], NULL, 0);
+ pkt_filter.u.pattern.offset = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.u.pattern.offset = (u32)res;
if (NULL == argv[++i]) {
BRCMF_ERROR(("Bitmask not provided\n"));
--
1.7.4.1
--
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