Messages in this thread Patch in this message | | | From | Eldad Zack <> | Subject | [PATCH] net/ipv4: replace simple_strtoul with kstrtoul | Date | Sun, 20 May 2012 02:13:18 +0200 |
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Replace simple_strtoul with kstrtoul in three similar occurrences, all setup handlers: * route.c: set_rhash_entries * tcp.c: set_thash_entries * udp.c: set_uhash_entries
Also check if the conversion failed.
Signed-off-by: Eldad Zack <eldad@fogrefinery.com> --- net/ipv4/route.c | 8 +++++++- net/ipv4/tcp.c | 8 +++++++- net/ipv4/udp.c | 8 +++++++- 3 files changed, 21 insertions(+), 3 deletions(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 167ea10..84d1832 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -3430,9 +3430,15 @@ struct ip_rt_acct __percpu *ip_rt_acct __read_mostly; static __initdata unsigned long rhash_entries; static int __init set_rhash_entries(char *str) { + ssize_t ret; + if (!str) return 0; - rhash_entries = simple_strtoul(str, &str, 0); + + ret = kstrtoul(str, 0, &rhash_entries); + if (ret) + return 0; + return 1; } __setup("rhash_entries=", set_rhash_entries); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 6589e11..6ed0552 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3222,9 +3222,15 @@ extern struct tcp_congestion_ops tcp_reno; static __initdata unsigned long thash_entries; static int __init set_thash_entries(char *str) { + ssize_t ret; + if (!str) return 0; - thash_entries = simple_strtoul(str, &str, 0); + + ret = kstrtoul(str, 0, &thash_entries); + if (ret) + return 0; + return 1; } __setup("thash_entries=", set_thash_entries); diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index fe14105..662836a 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2163,9 +2163,15 @@ void udp4_proc_exit(void) static __initdata unsigned long uhash_entries; static int __init set_uhash_entries(char *str) { + ssize_t ret; + if (!str) return 0; - uhash_entries = simple_strtoul(str, &str, 0); + + ret = kstrtoul(str, 0, &uhash_entries); + if (ret) + return 0; + if (uhash_entries && uhash_entries < UDP_HTABLE_SIZE_MIN) uhash_entries = UDP_HTABLE_SIZE_MIN; return 1; -- 1.7.10
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