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Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/coredump.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/coredump.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index c2c5b078ba80..657e3f233a64 100644
--- a/arch/powerpc/platforms/cell/spufs/coredump.c
+++ b/arch/powerpc/platforms/cell/spufs/coredump.c
@@ -106,6 +106,17 @@ static int spufs_ctx_note_size(struct spu_context *ctx, int dfd)
return total;
}
+static int match_context(const void *v, struct file *file, unsigned fd)
+{
+ struct spu_context *ctx;
+ if (file->f_op != &spufs_context_fops)
+ return 0;
+ ctx = SPUFS_I(file->f_dentry->d_inode)->i_ctx;
+ if (ctx->flags & SPU_CREATE_NOSCHED)
+ return 0;
+ return fd + 1;
+}
+
/*
* The additional architecture-specific notes for Cell are various
* context files in the spu context.
@@ -115,29 +126,18 @@ static int spufs_ctx_note_size(struct spu_context *ctx, int dfd)
* internal functionality to dump them without needing to actually
* open the files.
*/
+/*
+ * descriptor table is not shared, so files can't change or go away.
+ */
static struct spu_context *coredump_next_context(int *fd)
{
- struct fdtable *fdt = files_fdtable(current->files);
struct file *file;
- struct spu_context *ctx = NULL;
-
- for (; *fd < fdt->max_fds; (*fd)++) {
- if (!fd_is_open(*fd, fdt))
- continue;
-
- file = fcheck(*fd);
-
- if (!file || file->f_op != &spufs_context_fops)
- continue;
-
- ctx = SPUFS_I(file->f_dentry->d_inode)->i_ctx;
- if (ctx->flags & SPU_CREATE_NOSCHED)
- continue;
-
- break;
- }
-
- return ctx;
+ int n = iterate_fd(current->files, *fd, match_context, NULL);
+ if (!n)
+ return NULL;
+ *fd = n - 1;
+ file = fcheck(*fd);
+ return SPUFS_I(file->f_dentry->d_inode)->i_ctx;
}
int spufs_coredump_extra_notes_size(void)