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| author | Joe Perches <joe@perches.com> | 2014-09-30 01:08:26 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-11-05 20:13:38 +0100 |
| commit | 9761536e1d9e9e1f325fb04d4ad46b15a39eb94a (patch) | |
| tree | a640a6fb114ddecc4e1b87c1731ac9d2bb683797 /fs | |
| parent | fs: Convert show_fdinfo functions to void (diff) | |
| download | linux-9761536e1d9e9e1f325fb04d4ad46b15a39eb94a.tar.xz linux-9761536e1d9e9e1f325fb04d4ad46b15a39eb94a.zip | |
debugfs: Have debugfs_print_regs32() return void
The seq_printf() will soon just return void, and seq_has_overflowed()
should be used instead to see if the seq can no longer accept input.
As the return value of debugfs_print_regs32() has no users and
the seq_file descriptor should be checked with seq_has_overflowed()
instead of return values of functions, it is better to just have
debugfs_print_regs32() also return void.
Link: http://lkml.kernel.org/p/2634b19eb1c04a9d31148c1fe6f1f3819be95349.1412031505.git.joe@perches.com
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Joe Perches <joe@perches.com>
[ original change only updated seq_printf() return, added return of
void to debugfs_print_regs32() as well ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/debugfs/file.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index 76c08c2beb2f..8e0f2f410189 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -692,18 +692,19 @@ EXPORT_SYMBOL_GPL(debugfs_create_u32_array); * because some peripherals have several blocks of identical registers, * for example configuration of dma channels */ -int debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs, - int nregs, void __iomem *base, char *prefix) +void debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs, + int nregs, void __iomem *base, char *prefix) { - int i, ret = 0; + int i; for (i = 0; i < nregs; i++, regs++) { if (prefix) - ret += seq_printf(s, "%s", prefix); - ret += seq_printf(s, "%s = 0x%08x\n", regs->name, - readl(base + regs->offset)); + seq_printf(s, "%s", prefix); + seq_printf(s, "%s = 0x%08x\n", regs->name, + readl(base + regs->offset)); + if (seq_has_overflowed(s)) + break; } - return ret; } EXPORT_SYMBOL_GPL(debugfs_print_regs32); |