Merge tag 'omap-for-v3.13/quirk-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

From Tony Lindgren:
Changes needed to prepare for making omap3 device tree only:

- Always build in board-generic, and add pdata quirks and auxdata
  support for it so we have all the pdata related quirks
  in the same place.

- Merge of the drivers/pinctrl changes that are needed for PM
  to continue working on omap3 and also needed for other omaps
  eventually. The three pinctrl related patches have been acked
  by Linus Walleij and are pulled into both the pinctrl tree
  and this branch.

- Few defconfig related changes for drivers needed.

* tag 'omap-for-v3.13/quirk-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (523 commits)
  ARM: configs: omap2plus_defconfig: enable dwc3 and dependencies
  ARM: OMAP2+: Add WLAN modules and of_serial to omap2plus_defconfig
  ARM: OMAP2+: Run make savedefconfig on omap2plus_defconfig to shrink it
  ARM: OMAP2+: Add minimal 8250 support for GPMC
  ARM: OMAP2+: Use pdata quirks for wl12xx for omap3 evm and zoom3
  ARM: OMAP: Move DT wake-up event handling over to use pinctrl-single-omap
  ARM: OMAP2+: Add support for auxdata
  pinctrl: single: Add support for auxdata
  pinctrl: single: Add support for wake-up interrupts
  pinctrl: single: Prepare for supporting SoC specific features
  ARM: OMAP2+: igep0020: use display init from dss-common
  ARM: OMAP2+: pdata-quirks: add legacy display init for IGEPv2 board
  +Linux 3.12-rc4

Signed-off-by: Kevin Hilman <khilman@linaro.org>

1 files changed, 18 insertions, 12 deletions

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 100edcc5e312..4c94a79991bb 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1413,7 +1413,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata,
  *   long file_ofs
  * followed by COUNT filenames in ASCII: "FILE1" NUL "FILE2" NUL...
  */
-static void fill_files_note(struct memelfnote *note)
+static int fill_files_note(struct memelfnote *note)
 {
         struct vm_area_struct *vma;
         unsigned count, size, names_ofs, remaining, n;
@@ -1428,11 +1428,11 @@ static void fill_files_note(struct memelfnote *note)
         names_ofs = (2 + 3 * count) * sizeof(data[0]);
  alloc:
         if (size >= MAX_FILE_NOTE_SIZE) /* paranoia check */
-                goto err;
+                return -EINVAL;
         size = round_up(size, PAGE_SIZE);
         data = vmalloc(size);
         if (!data)
-                goto err;
+                return -ENOMEM;
 
         start_end_ofs = data + 2;
         name_base = name_curpos = ((char *)data) + names_ofs;
@@ -1485,7 +1485,7 @@ static void fill_files_note(struct memelfnote *note)
 
         size = name_curpos - (char *)data;
         fill_note(note, "CORE", NT_FILE, size, data);
- err: ;
+        return 0;
 }
 
 #ifdef CORE_DUMP_USE_REGSET
@@ -1686,8 +1686,8 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
         fill_auxv_note(&info->auxv, current->mm);
         info->size += notesize(&info->auxv);
 
-        fill_files_note(&info->files);
-        info->size += notesize(&info->files);
+        if (fill_files_note(&info->files) == 0)
+                info->size += notesize(&info->files);
 
         return 1;
 }
@@ -1719,7 +1719,8 @@ static int write_note_info(struct elf_note_info *info,
                         return 0;
                 if (first && !writenote(&info->auxv, file, foffset))
                         return 0;
-                if (first && !writenote(&info->files, file, foffset))
+                if (first && info->files.data &&
+                                !writenote(&info->files, file, foffset))
                         return 0;
 
                 for (i = 1; i < info->thread_notes; ++i)
@@ -1806,6 +1807,7 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t)
 
 struct elf_note_info {
         struct memelfnote *notes;
+        struct memelfnote *notes_files;
         struct elf_prstatus *prstatus;  /* NT_PRSTATUS */
         struct elf_prpsinfo *psinfo;    /* NT_PRPSINFO */
         struct list_head thread_list;
@@ -1896,9 +1898,12 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
 
         fill_siginfo_note(info->notes + 2, &info->csigdata, siginfo);
         fill_auxv_note(info->notes + 3, current->mm);
-        fill_files_note(info->notes + 4);
+        info->numnote = 4;
 
-        info->numnote = 5;
+        if (fill_files_note(info->notes + info->numnote) == 0) {
+                info->notes_files = info->notes + info->numnote;
+                info->numnote++;
+        }
 
         /* Try to dump the FPU. */
         info->prstatus->pr_fpvalid = elf_core_copy_task_fpregs(current, regs,
@@ -1960,8 +1965,9 @@ static void free_note_info(struct elf_note_info *info)
                 kfree(list_entry(tmp, struct elf_thread_status, list));
         }
 
-        /* Free data allocated by fill_files_note(): */
-        vfree(info->notes[4].data);
+        /* Free data possibly allocated by fill_files_note(): */
+        if (info->notes_files)
+                vfree(info->notes_files->data);
 
         kfree(info->prstatus);
         kfree(info->psinfo);
@@ -2044,7 +2050,7 @@ static int elf_core_dump(struct coredump_params *cprm)
         struct vm_area_struct *vma, *gate_vma;
         struct elfhdr *elf = NULL;
         loff_t offset = 0, dataoff, foffset;
-        struct elf_note_info info;
+        struct elf_note_info info = { };
         struct elf_phdr *phdr4note = NULL;
         struct elf_shdr *shdr4extnum = NULL;
         Elf_Half e_phnum;