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authorPaolo Bonzini <pbonzini@redhat.com>2024-01-02 13:19:40 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2024-01-02 13:19:40 -0500
commit9cc52627c702b73c633737db40914ab8fc467de8 (patch)
tree50dedcb98dcd3c239cddcad006fe815f62046f94 /fs/bcachefs/fs.c
parent731859dde86e23b0f11e700431e460ea76769584 (diff)
parentaad86da229bc9d0390dc2c02eb0db9ab1f50d059 (diff)
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Merge tag 'kvm-riscv-6.8-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv changes for 6.8 part #1 - KVM_GET_REG_LIST improvement for vector registers - Generate ISA extension reg_list using macros in get-reg-list selftest - Steal time account support along with selftest
Diffstat (limited to 'fs/bcachefs/fs.c')
-rw-r--r--fs/bcachefs/fs.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c
index 371565e02ff2..ba93e32d7708 100644
--- a/fs/bcachefs/fs.c
+++ b/fs/bcachefs/fs.c
@@ -1143,24 +1143,33 @@ static int bch2_encode_fh(struct inode *vinode, u32 *fh, int *len,
{
struct bch_inode_info *inode = to_bch_ei(vinode);
struct bch_inode_info *dir = to_bch_ei(vdir);
-
- if (*len < sizeof(struct bcachefs_fid_with_parent) / sizeof(u32))
- return FILEID_INVALID;
+ int min_len;
if (!S_ISDIR(inode->v.i_mode) && dir) {
struct bcachefs_fid_with_parent *fid = (void *) fh;
+ min_len = sizeof(*fid) / sizeof(u32);
+ if (*len < min_len) {
+ *len = min_len;
+ return FILEID_INVALID;
+ }
+
fid->fid = bch2_inode_to_fid(inode);
fid->dir = bch2_inode_to_fid(dir);
- *len = sizeof(*fid) / sizeof(u32);
+ *len = min_len;
return FILEID_BCACHEFS_WITH_PARENT;
} else {
struct bcachefs_fid *fid = (void *) fh;
+ min_len = sizeof(*fid) / sizeof(u32);
+ if (*len < min_len) {
+ *len = min_len;
+ return FILEID_INVALID;
+ }
*fid = bch2_inode_to_fid(inode);
- *len = sizeof(*fid) / sizeof(u32);
+ *len = min_len;
return FILEID_BCACHEFS_WITHOUT_PARENT;
}
}