These warnings/errors are reported by checkpatch.
Fix them with minor changes to make it clean.
No other functional changes.
WARNING: Block comments use * on subsequent lines
+ /* only support discovering the end of the buffer,
+ but also allow SEEK_SET to maintain the idiomatic
WARNING: Block comments use a trailing */ on a separate line
+ SEEK_END(0), SEEK_CUR(0) pattern */
WARNING: Block comments use a trailing */ on a separate line
+ * before passing the sgt back to the exporter. */
ERROR: "foo * bar" should be "foo *bar"
+static struct sg_table * __map_dma_buf(struct dma_buf_attachment *attach,
WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'.
+ d = debugfs_create_file("bufinfo", S_IRUGO, dma_buf_debugfs_dir,
total: 1 errors, 4 warnings, 1746 lines checked
Signed-off-by: Pintu Kumar <quic_pintu@xxxxxxxxxxx>
---
Changes in V1 suggested by Sumit Semwal:
Change commit title, and mention exact reason of fix in commit log.
V1: https://lore.kernel.org/all/CAOuPNLg1=YCUFXW-76A_gZm_PE1MFSugNvg3dEdkfujXV_5Zfw@xxxxxxxxxxxxxx/
---
drivers/dma-buf/dma-buf.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 8892bc701a66..2e63d50e46d3 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -176,8 +176,9 @@ static loff_t dma_buf_llseek(struct file *file, loff_t offset, int whence)
dmabuf = file->private_data;
/* only support discovering the end of the buffer,
- but also allow SEEK_SET to maintain the idiomatic
- SEEK_END(0), SEEK_CUR(0) pattern */
+ * but also allow SEEK_SET to maintain the idiomatic
+ * SEEK_END(0), SEEK_CUR(0) pattern.
+ */
if (whence == SEEK_END)
base = dmabuf->size;
else if (whence == SEEK_SET)
@@ -782,13 +783,14 @@ static void mangle_sg_table(struct sg_table *sg_table)
/* To catch abuse of the underlying struct page by importers mix
* up the bits, but take care to preserve the low SG_ bits to
* not corrupt the sgt. The mixing is undone in __unmap_dma_buf
- * before passing the sgt back to the exporter. */
+ * before passing the sgt back to the exporter.
+ */
for_each_sgtable_sg(sg_table, sg, i)
sg->page_link ^= ~0xffUL;
#endif
}
-static struct sg_table * __map_dma_buf(struct dma_buf_attachment *attach,
+static struct sg_table *__map_dma_buf(struct dma_buf_attachment *attach,
enum dma_data_direction direction)
{
struct sg_table *sg_table;
@@ -1694,7 +1696,7 @@ static int dma_buf_init_debugfs(void)
dma_buf_debugfs_dir = d;
- d = debugfs_create_file("bufinfo", S_IRUGO, dma_buf_debugfs_dir,
+ d = debugfs_create_file("bufinfo", 0444, dma_buf_debugfs_dir,
NULL, &dma_buf_debug_fops);
if (IS_ERR(d)) {
pr_debug("dma_buf: debugfs: failed to create node bufinfo\n");
--
2.17.1
