X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=namedev.c;h=695fb55413910e7507b408425529875f1db4c759;hb=c04a16479f5c3bde13e7e2400f384922196ec97f;hp=c8217024c87070e20a953269105440bf1853d07a;hpb=a75e2c14f9bc098966f39f26358e6de4dc167192;p=elogind.git diff --git a/namedev.c b/namedev.c index c8217024c..695fb5541 100644 --- a/namedev.c +++ b/namedev.c @@ -412,7 +412,7 @@ static void fix_kernel_name(struct udevice *udev) } } -static int execute_program(char *path, char *value, int len) +static int execute_program(const char *path, char *value, int len) { int retval; int count; @@ -421,12 +421,12 @@ static int execute_program(char *path, char *value, int len) pid_t pid; char *pos; char arg[PROGRAM_SIZE]; - char *argv[sizeof(arg) / 2]; + char *argv[(PROGRAM_SIZE / 2) + 1]; int i; + strfieldcpy(arg, path); i = 0; if (strchr(path, ' ')) { - strfieldcpy(arg, path); pos = arg; while (pos != NULL) { if (pos[0] == '\'') { @@ -441,8 +441,14 @@ static int execute_program(char *path, char *value, int len) dbg("arg[%i] '%s'", i, argv[i]); i++; } + argv[i] = NULL; + dbg("execute '%s' with parsed arguments", arg); + } else { + argv[0] = arg; + argv[1] = main_argv[1]; + argv[2] = NULL; + dbg("execute '%s' with subsystem '%s' argument", arg, argv[1]); } - argv[i] = NULL; retval = pipe(fds); if (retval != 0) { @@ -454,17 +460,9 @@ static int execute_program(char *path, char *value, int len) switch(pid) { case 0: /* child */ - close(STDOUT_FILENO); - - /* dup write side of pipe to STDOUT */ - dup(fds[1]); - if (argv[0] != NULL) { - dbg("execute '%s' with given arguments", argv[0]); - retval = execv(argv[0], argv); - } else { - dbg("execute '%s' with main argument", path); - retval = execv(path, main_argv); - } + /* dup2 write side of pipe to STDOUT */ + dup2(fds[1], STDOUT_FILENO); + retval = execv(arg, argv); info(FIELD_PROGRAM " execution of '%s' failed", path); exit(1);