diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 13:43:21 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 13:43:21 -0700 |
commit | 06f4e926d256d902dd9a53dcb400fd74974ce087 (patch) | |
tree | 0b438b67f5f0eff6fd617bc497a9dace6164a488 /drivers/net/netconsole.c | |
parent | 8e7bfcbab3825d1b404d615cb1b54f44ff81f981 (diff) | |
parent | d93515611bbc70c2fe4db232e5feb448ed8e4cc9 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
macvlan: fix panic if lowerdev in a bond
tg3: Add braces around 5906 workaround.
tg3: Fix NETIF_F_LOOPBACK error
macvlan: remove one synchronize_rcu() call
networking: NET_CLS_ROUTE4 depends on INET
irda: Fix error propagation in ircomm_lmp_connect_response()
irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
be2net: Kill set but unused variable 'req' in lancer_fw_download()
irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
isdn: capi: Use pr_debug() instead of ifdefs.
tg3: Update version to 3.119
tg3: Apply rx_discards fix to 5719/5720
...
Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.
Diffstat (limited to 'drivers/net/netconsole.c')
-rw-r--r-- | drivers/net/netconsole.c | 82 |
1 files changed, 18 insertions, 64 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index eb41e44921e..a83e101440f 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -242,34 +242,6 @@ static struct netconsole_target *to_target(struct config_item *item) } /* - * Wrapper over simple_strtol (base 10) with sanity and range checking. - * We return (signed) long only because we may want to return errors. - * Do not use this to convert numbers that are allowed to be negative. - */ -static long strtol10_check_range(const char *cp, long min, long max) -{ - long ret; - char *p = (char *) cp; - - WARN_ON(min < 0); - WARN_ON(max < min); - - ret = simple_strtol(p, &p, 10); - - if (*p && (*p != '\n')) { - printk(KERN_ERR "netconsole: invalid input\n"); - return -EINVAL; - } - if ((ret < min) || (ret > max)) { - printk(KERN_ERR "netconsole: input %ld must be between " - "%ld and %ld\n", ret, min, max); - return -EINVAL; - } - - return ret; -} - -/* * Attribute operations for netconsole_target. */ @@ -327,12 +299,14 @@ static ssize_t store_enabled(struct netconsole_target *nt, const char *buf, size_t count) { + int enabled; int err; - long enabled; - enabled = strtol10_check_range(buf, 0, 1); - if (enabled < 0) - return enabled; + err = kstrtoint(buf, 10, &enabled); + if (err < 0) + return err; + if (enabled < 0 || enabled > 1) + return -EINVAL; if (enabled) { /* 1 */ @@ -384,8 +358,7 @@ static ssize_t store_local_port(struct netconsole_target *nt, const char *buf, size_t count) { - long local_port; -#define __U16_MAX ((__u16) ~0U) + int rv; if (nt->enabled) { printk(KERN_ERR "netconsole: target (%s) is enabled, " @@ -394,12 +367,9 @@ static ssize_t store_local_port(struct netconsole_target *nt, return -EINVAL; } - local_port = strtol10_check_range(buf, 0, __U16_MAX); - if (local_port < 0) - return local_port; - - nt->np.local_port = local_port; - + rv = kstrtou16(buf, 10, &nt->np.local_port); + if (rv < 0) + return rv; return strnlen(buf, count); } @@ -407,8 +377,7 @@ static ssize_t store_remote_port(struct netconsole_target *nt, const char *buf, size_t count) { - long remote_port; -#define __U16_MAX ((__u16) ~0U) + int rv; if (nt->enabled) { printk(KERN_ERR "netconsole: target (%s) is enabled, " @@ -417,12 +386,9 @@ static ssize_t store_remote_port(struct netconsole_target *nt, return -EINVAL; } - remote_port = strtol10_check_range(buf, 0, __U16_MAX); - if (remote_port < 0) - return remote_port; - - nt->np.remote_port = remote_port; - + rv = kstrtou16(buf, 10, &nt->np.remote_port); + if (rv < 0) + return rv; return strnlen(buf, count); } @@ -463,8 +429,6 @@ static ssize_t store_remote_mac(struct netconsole_target *nt, size_t count) { u8 remote_mac[ETH_ALEN]; - char *p = (char *) buf; - int i; if (nt->enabled) { printk(KERN_ERR "netconsole: target (%s) is enabled, " @@ -473,23 +437,13 @@ static ssize_t store_remote_mac(struct netconsole_target *nt, return -EINVAL; } - for (i = 0; i < ETH_ALEN - 1; i++) { - remote_mac[i] = simple_strtoul(p, &p, 16); - if (*p != ':') - goto invalid; - p++; - } - remote_mac[ETH_ALEN - 1] = simple_strtoul(p, &p, 16); - if (*p && (*p != '\n')) - goto invalid; - + if (!mac_pton(buf, remote_mac)) + return -EINVAL; + if (buf[3 * ETH_ALEN - 1] && buf[3 * ETH_ALEN - 1] != '\n') + return -EINVAL; memcpy(nt->np.remote_mac, remote_mac, ETH_ALEN); return strnlen(buf, count); - -invalid: - printk(KERN_ERR "netconsole: invalid input\n"); - return -EINVAL; } /* |