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89 lines
2.3 KiB
89 lines
2.3 KiB
===
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SMB1/SMB2 don't know exactly how vfs layer allocates xattr list,
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via kmalloc() or vmalloc(). Introduce cifsd_vfs_xattr_free() and
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keep both xattr allocation and de-allocation in one place.
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Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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---
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smb1pdu.c | 4 ++--
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smb2pdu.c | 6 ++----
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vfs.c | 6 ++++++
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vfs.h | 1 +
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4 files changed, 11 insertions(+), 6 deletions(-)
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diff --git a/smb1pdu.c b/smb1pdu.c
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index 35599ef..8cb92cf 100644
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--- a/smb1pdu.c
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+++ b/smb1pdu.c
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@@ -8,6 +8,7 @@
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#include <linux/posix_acl_xattr.h>
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#include <linux/namei.h>
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#include <linux/statfs.h>
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+#include <linux/vmalloc.h>
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#include "glob.h"
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#include "smb1pdu.h"
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@@ -3844,8 +3845,7 @@ done:
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rsp->ByteCount = cpu_to_le16(rsp_data_cnt + 5);
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inc_rfc1001_len(&rsp->hdr, (10 * 2 + rsp->ByteCount));
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out:
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- if (xattr_list)
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- vfree(xattr_list);
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+ cifsd_vfs_xattr_free(xattr_list);
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return rc;
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}
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diff --git a/smb2pdu.c b/smb2pdu.c
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index 754258f..2727622 100644
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--- a/smb2pdu.c
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+++ b/smb2pdu.c
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@@ -3867,8 +3867,7 @@ done:
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rsp->OutputBufferLength = cpu_to_le32(rsp_data_cnt);
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inc_rfc1001_len(rsp_org, rsp_data_cnt);
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out:
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- if (xattr_list)
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- vfree(xattr_list);
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+ cifsd_vfs_xattr_free(xattr_list);
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return rc;
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}
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@@ -4151,8 +4150,7 @@ static void get_file_stream_info(struct cifsd_work *work,
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/* last entry offset should be 0 */
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file_info->NextEntryOffset = 0;
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out:
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- if (xattr_list)
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- vfree(xattr_list);
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+ cifsd_vfs_xattr_free(xattr_list);
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rsp->OutputBufferLength = cpu_to_le32(nbytes);
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inc_rfc1001_len(rsp_org, nbytes);
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diff --git a/vfs.c b/vfs.c
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index 556b1a5..6da6f8e 100644
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--- a/vfs.c
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+++ b/vfs.c
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@@ -1550,6 +1550,12 @@ int cifsd_vfs_remove_xattr(struct dentry *dentry, char *attr_name)
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return vfs_removexattr(dentry, attr_name);
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}
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+void cifsd_vfs_xattr_free(char *xattr)
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+{
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+ if (xattr)
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+ vfree(xattr);
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+}
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+
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int cifsd_vfs_unlink(struct dentry *dir, struct dentry *dentry)
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{
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int err = 0;
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diff --git a/vfs.h b/vfs.h
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index ee54daf..16b4f9e 100644
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--- a/vfs.h
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+++ b/vfs.h
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@@ -186,6 +186,7 @@ int cifsd_vfs_xattr_stream_name(char *stream_name,
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int cifsd_vfs_truncate_xattr(struct dentry *dentry, int wo_streams);
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int cifsd_vfs_remove_xattr(struct dentry *dentry, char *attr_name);
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+void cifsd_vfs_xattr_free(char *xattr);
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int cifsd_vfs_kern_path(char *name, unsigned int flags, struct path *path,
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bool caseless);
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