coda: ignore returned values when upcalls return errors

Venus returns an ENOENT error on open, so we shouldn't try to grab the
filehandle for the returned fd.

Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c
index 330de7d..097dbb2 100644 (file)
--- a/fs/coda/upcall.c
+++ b/fs/coda/upcall.c
@@ -84,12 +84,8 @@ int venus_rootfid(struct super_block *sb, struct CodaFid *fidp)
         UPARG(CODA_ROOT);
 
        error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
-       
-       if (error) {
-               printk("coda_get_rootfid: error %d\n", error);
-       } else {
+       if (!error)
                *fidp = outp->coda_root.VFid;
-       }
 
        CODA_FREE(inp, insize);
        return error;
@@ -106,9 +102,9 @@ int venus_getattr(struct super_block *sb, struct CodaFid *fid,
        UPARG(CODA_GETATTR);
         inp->coda_getattr.VFid = *fid;
 
-        error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
-       
-       *attr = outp->coda_getattr.attr;
+       error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+       if (!error)
+               *attr = outp->coda_getattr.attr;
 
        CODA_FREE(inp, insize);
         return error;
@@ -153,10 +149,11 @@ int venus_lookup(struct super_block *sb, struct CodaFid *fid,
         memcpy((char *)(inp) + offset, name, length);
         *((char *)inp + offset + length) = '\0';
 
-        error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
-
-       *resfid = outp->coda_lookup.VFid;
-       *type = outp->coda_lookup.vtype;
+       error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+       if (!error) {
+               *resfid = outp->coda_lookup.VFid;
+               *type = outp->coda_lookup.vtype;
+       }
 
        CODA_FREE(inp, insize);
        return error;
@@ -278,11 +275,12 @@ int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid,
         /* Venus must get null terminated string */
         memcpy((char *)(inp) + offset, name, length);
         *((char *)inp + offset + length) = '\0';
-        
-        error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
 
-       *attrs = outp->coda_mkdir.attr;
-       *newfid = outp->coda_mkdir.VFid;
+       error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+       if (!error) {
+               *attrs = outp->coda_mkdir.attr;
+               *newfid = outp->coda_mkdir.VFid;
+       }
 
        CODA_FREE(inp, insize);
        return error;        
@@ -348,11 +346,12 @@ int venus_create(struct super_block *sb, struct CodaFid *dirfid,
         /* Venus must get null terminated string */
         memcpy((char *)(inp) + offset, name, length);
         *((char *)inp + offset + length) = '\0';
-                
-        error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
 
-       *attrs = outp->coda_create.attr;
-       *newfid = outp->coda_create.VFid;
+       error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+       if (!error) {
+               *attrs = outp->coda_create.attr;
+               *newfid = outp->coda_create.VFid;
+       }
 
        CODA_FREE(inp, insize);
        return error;        
@@ -417,19 +416,18 @@ int venus_readlink(struct super_block *sb, struct CodaFid *fid,
        UPARG(CODA_READLINK);
 
         inp->coda_readlink.VFid = *fid;
-    
-        error =  coda_upcall(coda_sbp(sb), insize, &outsize, inp);
-       
-       if (! error) {
-                retlen = outp->coda_readlink.count;
+
+       error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+       if (!error) {
+               retlen = outp->coda_readlink.count;
                if ( retlen > *length )
-                       retlen = *length;
+                       retlen = *length;
                *length = retlen;
                result =  (char *)outp + (long)outp->coda_readlink.data;
                memcpy(buffer, result, retlen);
                *(buffer + retlen) = '\0';
        }
-        
+
         CODA_FREE(inp, insize);
         return error;
 }
@@ -617,16 +615,13 @@ int venus_statfs(struct dentry *dentry, struct kstatfs *sfs)
        insize = max_t(unsigned int, INSIZE(statfs), OUTSIZE(statfs));
        UPARG(CODA_STATFS);
 
-        error = coda_upcall(coda_sbp(dentry->d_sb), insize, &outsize, inp);
-       
-        if (!error) {
+       error = coda_upcall(coda_sbp(dentry->d_sb), insize, &outsize, inp);
+       if (!error) {
                sfs->f_blocks = outp->coda_statfs.stat.f_blocks;
                sfs->f_bfree  = outp->coda_statfs.stat.f_bfree;
                sfs->f_bavail = outp->coda_statfs.stat.f_bavail;
                sfs->f_files  = outp->coda_statfs.stat.f_files;
                sfs->f_ffree  = outp->coda_statfs.stat.f_ffree;
-       } else {
-               printk("coda_statfs: Venus returns: %d\n", error);
        }
 
         CODA_FREE(inp, insize);