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ext4: Fix memory leak in case of failure

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temp_ptr should always be freed, even if the function is left via
goto fail.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
This commit is contained in:
Stefan Brüns 2016-09-06 04:36:51 +02:00 • committed by Tom Rini
parent 0ceef3d371
commit 87a40b6e03
1 changed files with 2 additions and 2 deletions
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4
fs/ext4/ext4_write.c
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@ -974,7 +974,6 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
sizeof(struct ext2_inode));
if (ext4fs_put_metadata(temp_ptr, parent_itable_blkno))
goto fail;
free(temp_ptr);
} else {
/*
* If parent and child fall in same inode table block
@ -985,7 +984,6 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
gd_index--;
if (ext4fs_put_metadata(temp_ptr, itable_blkno))
goto fail;
free(temp_ptr);
}
ext4fs_update();
ext4fs_deinit();
@ -996,6 +994,7 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
fs->curr_inode_no = 0;
free(inode_buffer);
free(g_parent_inode);
free(temp_ptr);
g_parent_inode = NULL;
return 0;
@ -1003,6 +1002,7 @@ fail:
ext4fs_deinit();
free(inode_buffer);
free(g_parent_inode);
free(temp_ptr);
g_parent_inode = NULL;
return -1;