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Diffstat (limited to 'fs/xfs/support/debug.c')
-rw-r--r--fs/xfs/support/debug.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/fs/xfs/support/debug.c b/fs/xfs/support/debug.c
index 4363512d2f90..08bbd3cb87ae 100644
--- a/fs/xfs/support/debug.c
+++ b/fs/xfs/support/debug.c
@@ -19,7 +19,7 @@
19#include "debug.h" 19#include "debug.h"
20#include "spin.h" 20#include "spin.h"
21 21
22static char message[256]; /* keep it off the stack */ 22static char message[1024]; /* keep it off the stack */
23static DEFINE_SPINLOCK(xfs_err_lock); 23static DEFINE_SPINLOCK(xfs_err_lock);
24 24
25/* Translate from CE_FOO to KERN_FOO, err_level(CE_FOO) == KERN_FOO */ 25/* Translate from CE_FOO to KERN_FOO, err_level(CE_FOO) == KERN_FOO */
@@ -44,13 +44,14 @@ cmn_err(register int level, char *fmt, ...)
44 spin_lock_irqsave(&xfs_err_lock,flags); 44 spin_lock_irqsave(&xfs_err_lock,flags);
45 va_start(ap, fmt); 45 va_start(ap, fmt);
46 if (*fmt == '!') fp++; 46 if (*fmt == '!') fp++;
47 len = vsprintf(message, fp, ap); 47 len = vsnprintf(message, sizeof(message), fp, ap);
48 if (level != CE_DEBUG && message[len-1] != '\n') 48 if (len >= sizeof(message))
49 strcat(message, "\n"); 49 len = sizeof(message) - 1;
50 printk("%s%s", err_level[level], message); 50 if (message[len-1] == '\n')
51 message[len-1] = 0;
52 printk("%s%s\n", err_level[level], message);
51 va_end(ap); 53 va_end(ap);
52 spin_unlock_irqrestore(&xfs_err_lock,flags); 54 spin_unlock_irqrestore(&xfs_err_lock,flags);
53
54 BUG_ON(level == CE_PANIC); 55 BUG_ON(level == CE_PANIC);
55} 56}
56 57
@@ -64,11 +65,13 @@ icmn_err(register int level, char *fmt, va_list ap)
64 if(level > XFS_MAX_ERR_LEVEL) 65 if(level > XFS_MAX_ERR_LEVEL)
65 level = XFS_MAX_ERR_LEVEL; 66 level = XFS_MAX_ERR_LEVEL;
66 spin_lock_irqsave(&xfs_err_lock,flags); 67 spin_lock_irqsave(&xfs_err_lock,flags);
67 len = vsprintf(message, fmt, ap); 68 len = vsnprintf(message, sizeof(message), fmt, ap);
68 if (level != CE_DEBUG && message[len-1] != '\n') 69 if (len >= sizeof(message))
69 strcat(message, "\n"); 70 len = sizeof(message) - 1;
71 if (message[len-1] == '\n')
72 message[len-1] = 0;
73 printk("%s%s\n", err_level[level], message);
70 spin_unlock_irqrestore(&xfs_err_lock,flags); 74 spin_unlock_irqrestore(&xfs_err_lock,flags);
71 printk("%s%s", err_level[level], message);
72 BUG_ON(level == CE_PANIC); 75 BUG_ON(level == CE_PANIC);
73} 76}
74 77