[Bluetooth] Use work queue to trigger URB submission

[pandora-kernel.git] / fs / exec.c

diff --git a/fs/exec.c b/fs/exec.c
index 97df6e0..d993ea1 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -46,7 +46,7 @@
 #include <linux/security.h>
 #include <linux/syscalls.h>
 #include <linux/rmap.h>
-#include <linux/acct.h>
+#include <linux/tsacct_kern.h>
 #include <linux/cn_proc.h>
 #include <linux/audit.h>
 
@@ -58,7 +58,7 @@
 #endif
 
 int core_uses_pid;
-char core_pattern[65] = "core";
+char core_pattern[128] = "core";
 int suid_dumpable = 0;
 
 EXPORT_SYMBOL(suid_dumpable);
@@ -898,8 +898,7 @@ int flush_old_exec(struct linux_binprm * bprm)
        return 0;
 
 mmap_failed:
-       put_files_struct(current->files);
-       current->files = files;
+       reset_files_struct(current, files);
 out:
        return retval;
 }
@@ -1319,7 +1318,7 @@ static void format_corename(char *corename, const char *pattern, long signr)
                        case 'h':
                                down_read(&uts_sem);
                                rc = snprintf(out_ptr, out_end - out_ptr,
-                                             "%s", system_utsname.nodename);
+                                             "%s", utsname()->nodename);
                                up_read(&uts_sem);
                                if (rc > out_end - out_ptr)
                                        goto out;
@@ -1464,6 +1463,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
        int retval = 0;
        int fsuid = current->fsuid;
        int flag = 0;
+       int ispipe = 0;
 
        binfmt = current->binfmt;
        if (!binfmt || !binfmt->core_dump)
@@ -1505,22 +1505,34 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
        lock_kernel();
        format_corename(corename, core_pattern, signr);
        unlock_kernel();
-       file = filp_open(corename, O_CREAT | 2 | O_NOFOLLOW | O_LARGEFILE | flag, 0600);
+       if (corename[0] == '|') {
+               /* SIGPIPE can happen, but it's just never processed */
+               if(call_usermodehelper_pipe(corename+1, NULL, NULL, &file)) {
+                       printk(KERN_INFO "Core dump to %s pipe failed\n",
+                              corename);
+                       goto fail_unlock;
+               }
+               ispipe = 1;
+       } else
+               file = filp_open(corename,
+                                O_CREAT | 2 | O_NOFOLLOW | O_LARGEFILE, 0600);
        if (IS_ERR(file))
                goto fail_unlock;
        inode = file->f_dentry->d_inode;
        if (inode->i_nlink > 1)
                goto close_fail;        /* multiple links - don't dump */
-       if (d_unhashed(file->f_dentry))
+       if (!ispipe && d_unhashed(file->f_dentry))
                goto close_fail;
 
-       if (!S_ISREG(inode->i_mode))
+       /* AK: actually i see no reason to not allow this for named pipes etc.,
+          but keep the previous behaviour for now. */
+       if (!ispipe && !S_ISREG(inode->i_mode))
                goto close_fail;
        if (!file->f_op)
                goto close_fail;
        if (!file->f_op->write)
                goto close_fail;
-       if (do_truncate(file->f_dentry, 0, 0, file) != 0)
+       if (!ispipe && do_truncate(file->f_dentry, 0, 0, file) != 0)
                goto close_fail;
 
        retval = binfmt->core_dump(signr, regs, file);