diff options
Diffstat (limited to 'package/network/services/ppp/patches/400-simplify_kernel_checks.patch')
| -rw-r--r-- | package/network/services/ppp/patches/400-simplify_kernel_checks.patch | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/package/network/services/ppp/patches/400-simplify_kernel_checks.patch b/package/network/services/ppp/patches/400-simplify_kernel_checks.patch new file mode 100644 index 0000000..11af6d8 --- /dev/null +++ b/package/network/services/ppp/patches/400-simplify_kernel_checks.patch @@ -0,0 +1,154 @@ +pppd: Remove runtime kernel checks + +On embedded system distributions the required kernel features for pppd are +more or less guaranteed to be present, so there is not much point in +performing runtime checks, it just increases the binary size. + +This patch removes the runtime kernel feature checks. + +Signed-off-by: Jo-Philipp Wich <jow@openwrt.org> + +--- a/pppd/sys-linux.c ++++ b/pppd/sys-linux.c +@@ -196,7 +196,7 @@ static int driver_is_old = 0; + static int restore_term = 0; /* 1 => we've munged the terminal */ + static struct termios inittermios; /* Initial TTY termios */ + +-int new_style_driver = 0; ++static const int new_style_driver = 1; + + static char loop_name[20]; + static unsigned char inbuf[512]; /* buffer for chars read from loopback */ +@@ -214,8 +214,8 @@ static int looped; /* 1 if using loop + static int link_mtu; /* mtu for the link (not bundle) */ + + static struct utsname utsname; /* for the kernel version */ +-static int kernel_version; + #define KVERSION(j,n,p) ((j)*1000000 + (n)*1000 + (p)) ++static const int kernel_version = KVERSION(2,6,37); + + #define MAX_IFS 100 + +@@ -1451,11 +1451,12 @@ int ccp_fatal_error (int unit) + * + * path_to_procfs - find the path to the proc file system mount point + */ +-static char proc_path[MAXPATHLEN]; +-static int proc_path_len; ++static char proc_path[MAXPATHLEN] = "/proc"; ++static int proc_path_len = 5; + + static char *path_to_procfs(const char *tail) + { ++#if 0 + struct mntent *mntent; + FILE *fp; + +@@ -1477,6 +1478,7 @@ static char *path_to_procfs(const char * + fclose (fp); + } + } ++#endif + + strlcpy(proc_path + proc_path_len, tail, + sizeof(proc_path) - proc_path_len); +@@ -2129,15 +2131,19 @@ int ppp_available(void) + int my_version, my_modification, my_patch; + int osmaj, osmin, ospatch; + ++#if 0 + /* get the kernel version now, since we are called before sys_init */ + uname(&utsname); + osmaj = osmin = ospatch = 0; + sscanf(utsname.release, "%d.%d.%d", &osmaj, &osmin, &ospatch); + kernel_version = KVERSION(osmaj, osmin, ospatch); ++#endif + + fd = open("/dev/ppp", O_RDWR); + if (fd >= 0) { ++#if 0 + new_style_driver = 1; ++#endif + + /* XXX should get from driver */ + driver_version = 2; +@@ -2197,6 +2203,7 @@ int ppp_available(void) + + if (ok && ((ifr.ifr_hwaddr.sa_family & ~0xFF) != ARPHRD_PPP)) + ok = 0; ++ return ok; + + /* + * This is the PPP device. Validate the version of the driver at this +@@ -2730,6 +2737,7 @@ get_pty(master_fdp, slave_fdp, slave_nam + } + #endif /* TIOCGPTN */ + ++#if 0 + if (sfd < 0) { + /* the old way - scan through the pty name space */ + for (i = 0; i < 64; ++i) { +@@ -2748,6 +2756,7 @@ get_pty(master_fdp, slave_fdp, slave_nam + } + } + } ++#endif + + if (sfd < 0) + return 0; +--- a/pppd/plugins/pppoatm/pppoatm.c ++++ b/pppd/plugins/pppoatm/pppoatm.c +@@ -168,14 +168,6 @@ static void disconnect_pppoatm(void) + + void plugin_init(void) + { +-#if defined(__linux__) +- extern int new_style_driver; /* From sys-linux.c */ +- if (!ppp_available() && !new_style_driver) +- fatal("Kernel doesn't support ppp_generic - " +- "needed for PPPoATM"); +-#else +- fatal("No PPPoATM support on this OS"); +-#endif + info("PPPoATM plugin_init"); + add_options(pppoa_options); + } +--- a/pppd/plugins/rp-pppoe/plugin.c ++++ b/pppd/plugins/rp-pppoe/plugin.c +@@ -59,9 +59,6 @@ static char const RCSID[] = + + char pppd_version[] = VERSION; + +-/* From sys-linux.c in pppd -- MUST FIX THIS! */ +-extern int new_style_driver; +- + char *pppd_pppoe_service = NULL; + static char *acName = NULL; + static char *existingSession = NULL; +@@ -371,10 +368,6 @@ PPPoEDevnameHook(char *cmd, char **argv, + void + plugin_init(void) + { +- if (!ppp_available() && !new_style_driver) { +- fatal("Linux kernel does not support PPPoE -- are you running 2.4.x?"); +- } +- + add_options(Options); + + info("RP-PPPoE plugin version %s compiled against pppd %s", +--- a/pppd/plugins/pppol2tp/pppol2tp.c ++++ b/pppd/plugins/pppol2tp/pppol2tp.c +@@ -486,12 +486,7 @@ static void pppol2tp_cleanup(void) + + void plugin_init(void) + { +-#if defined(__linux__) +- extern int new_style_driver; /* From sys-linux.c */ +- if (!ppp_available() && !new_style_driver) +- fatal("Kernel doesn't support ppp_generic - " +- "needed for PPPoL2TP"); +-#else ++#if !defined(__linux__) + fatal("No PPPoL2TP support on this OS"); + #endif + add_options(pppol2tp_options); |