Patchwork [08/25] debugfs: fix various minor bogosity

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Submitter Darrick J. Wong
Date Oct. 18, 2013, 4:49 a.m.
Message ID <20131018044948.7339.56696.stgit@birch.djwong.org>
Download mbox | patch
Permalink /patch/284415/
State Superseded
Headers show

Comments

Darrick J. Wong - Oct. 18, 2013, 4:49 a.m.
We should really use the ext2fs memory allocator functions in
copy_file(), and we really should return a value if there's allocation
problems.

Also fix up a minor bogosity in an error message.

Cc: Robert Yang <liezhi.yang@windriver.com>
Cc: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 debugfs/debugfs.c |   11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)



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Patch

diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index 4f6108d..d3db356 100644
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c
@@ -1601,9 +1601,10 @@  static errcode_t copy_file(int fd, ext2_ino_t newfile, int bufsize, int make_hol
 	if (retval)
 		return retval;
 
-	if (!(buf = (char *) malloc(bufsize))){
-		com_err("copy_file", errno, "can't allocate buffer\n");
-		return;
+	retval = ext2fs_get_mem(bufsize, &buf);
+	if (retval) {
+		com_err("copy_file", retval, "can't allocate buffer\n");
+		return retval;
 	}
 
 	/* This is used for checking whether the whole block is zero */
@@ -1654,7 +1655,7 @@  static errcode_t copy_file(int fd, ext2_ino_t newfile, int bufsize, int make_hol
 	return retval;
 
 fail:
-	free(buf);
+	ext2fs_free_mem(&buf);
 	ext2fs_free_mem(&zero_buf);
 	(void) ext2fs_file_close(e2_file);
 	return retval;
@@ -2112,7 +2113,7 @@  void do_bmap(int argc, char *argv[])
 
 	errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk);
 	if (errcode) {
-		com_err("argv[0]", errcode,
+		com_err(argv[0], errcode,
 			"while mapping logical block %llu\n", blk);
 		return;
 	}