fs/affs/amigaffs.c: use va_format instead of buffer/vnsprintf
authorFabian Frederick <fabf@skynet.be>
Sat, 13 Dec 2014 00:57:49 +0000 (16:57 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 13 Dec 2014 20:42:51 +0000 (12:42 -0800)
-Remove ErrorBuffer and use %pV

-Add __printf to enable argument mistmatch warnings

Original patch by Joe Perches.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/affs/affs.h
fs/affs/amigaffs.c
fs/affs/file.c

index 9bca88159725e0b258a808786b3ff145ee1b9c16..ff44ff3ff015f6bda981be87dde47d79bf2a7fcc 100644 (file)
@@ -135,8 +135,10 @@ extern void        affs_fix_checksum(struct super_block *sb, struct buffer_head *bh);
 extern void    secs_to_datestamp(time_t secs, struct affs_date *ds);
 extern umode_t prot_to_mode(u32 prot);
 extern void    mode_to_prot(struct inode *inode);
+__printf(3, 4)
 extern void    affs_error(struct super_block *sb, const char *function,
                           const char *fmt, ...);
+__printf(3, 4)
 extern void    affs_warning(struct super_block *sb, const char *function,
                             const char *fmt, ...);
 extern bool    affs_nofilenametruncate(const struct dentry *dentry);
index 937ce8754b2416b1945b35006b685aa6d66e2718..c852f2fa17102a24935f27adb68198fe90a82f92 100644 (file)
@@ -10,8 +10,6 @@
 
 #include "affs.h"
 
-static char ErrorBuffer[256];
-
 /*
  * Functions for accessing Amiga-FFS structures.
  */
@@ -444,30 +442,30 @@ mode_to_prot(struct inode *inode)
 void
 affs_error(struct super_block *sb, const char *function, const char *fmt, ...)
 {
-       va_list  args;
-
-       va_start(args,fmt);
-       vsnprintf(ErrorBuffer,sizeof(ErrorBuffer),fmt,args);
-       va_end(args);
+       struct va_format vaf;
+       va_list args;
 
-       pr_crit("error (device %s): %s(): %s\n", sb->s_id,
-               function,ErrorBuffer);
+       va_start(args, fmt);
+       vaf.fmt = fmt;
+       vaf.va = &args;
+       pr_crit("error (device %s): %s(): %pV\n", sb->s_id, function, &vaf);
        if (!(sb->s_flags & MS_RDONLY))
                pr_warn("Remounting filesystem read-only\n");
        sb->s_flags |= MS_RDONLY;
+       va_end(args);
 }
 
 void
 affs_warning(struct super_block *sb, const char *function, const char *fmt, ...)
 {
-       va_list  args;
+       struct va_format vaf;
+       va_list args;
 
-       va_start(args,fmt);
-       vsnprintf(ErrorBuffer,sizeof(ErrorBuffer),fmt,args);
+       va_start(args, fmt);
+       vaf.fmt = fmt;
+       vaf.va = &args;
+       pr_warn("(device %s): %s(): %pV\n", sb->s_id, function, &vaf);
        va_end(args);
-
-       pr_warn("(device %s): %s(): %s\n", sb->s_id,
-               function,ErrorBuffer);
 }
 
 bool
index 8e2e60ea1e2333f3e1eeb900f921b855a91772dd..8e510854f487e979d657cebc30297f4dc7663e5c 100644 (file)
@@ -333,7 +333,8 @@ affs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_resul
 
                /* store new block */
                if (bh_result->b_blocknr)
-                       affs_warning(sb, "get_block", "block already set (%x)", bh_result->b_blocknr);
+                       affs_warning(sb, "get_block", "block already set (%lx)",
+                                    (unsigned long)bh_result->b_blocknr);
                AFFS_BLOCK(sb, ext_bh, block) = cpu_to_be32(blocknr);
                AFFS_HEAD(ext_bh)->block_count = cpu_to_be32(block + 1);
                affs_adjust_checksum(ext_bh, blocknr - bh_result->b_blocknr + 1);
@@ -355,7 +356,8 @@ affs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_resul
        return 0;
 
 err_big:
-       affs_error(inode->i_sb,"get_block","strange block request %d", block);
+       affs_error(inode->i_sb, "get_block", "strange block request %d",
+                  (int)block);
        return -EIO;
 err_ext:
        // unlock cache
@@ -845,8 +847,9 @@ affs_truncate(struct inode *inode)
        // lock cache
        ext_bh = affs_get_extblock(inode, ext);
        if (IS_ERR(ext_bh)) {
-               affs_warning(sb, "truncate", "unexpected read error for ext block %u (%d)",
-                            ext, PTR_ERR(ext_bh));
+               affs_warning(sb, "truncate",
+                            "unexpected read error for ext block %u (%ld)",
+                            (unsigned int)ext, PTR_ERR(ext_bh));
                return;
        }
        if (AFFS_I(inode)->i_lc) {
@@ -892,8 +895,9 @@ affs_truncate(struct inode *inode)
                        struct buffer_head *bh = affs_bread_ino(inode, last_blk, 0);
                        u32 tmp;
                        if (IS_ERR(bh)) {
-                               affs_warning(sb, "truncate", "unexpected read error for last block %u (%d)",
-                                            ext, PTR_ERR(bh));
+                               affs_warning(sb, "truncate",
+                                            "unexpected read error for last block %u (%ld)",
+                                            (unsigned int)ext, PTR_ERR(bh));
                                return;
                        }
                        tmp = be32_to_cpu(AFFS_DATA_HEAD(bh)->next);