Subject: + kernel-sysctl_binaryc-use-scnprintf-instead-of-snprintf.patch added to -mm tree
To: gang.chen@xxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Thu, 10 Oct 2013 15:50:45 -0700
The patch titled
Subject: kernel/sysctl_binary.c: use scnprintf() instead of snprintf()
has been added to the -mm tree. Its filename is
kernel-sysctl_binaryc-use-scnprintf-instead-of-snprintf.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kernel-sysctl_binaryc-use-scnprintf-instead-of-snprintf.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kernel-sysctl_binaryc-use-scnprintf-instead-of-snprintf.patch
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------------------------------------------------------
From: Chen Gang <gang.chen@xxxxxxxxxxx>
Subject: kernel/sysctl_binary.c: use scnprintf() instead of snprintf()
snprintf() will return the 'ideal' length which may be larger than real
buffer length, if we only want to use real length, need use scnprintf()
instead of.
Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sysctl_binary.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN kernel/sysctl_binary.c~kernel-sysctl_binaryc-use-scnprintf-instead-of-snprintf kernel/sysctl_binary.c
--- a/kernel/sysctl_binary.c~kernel-sysctl_binaryc-use-scnprintf-instead-of-snprintf
+++ a/kernel/sysctl_binary.c
@@ -1024,7 +1024,7 @@ static ssize_t bin_intvec(struct file *f
if (get_user(value, vec + i))
goto out_kfree;
- str += snprintf(str, end - str, "%lu\t", value);
+ str += scnprintf(str, end - str, "%lu\t", value);
}
result = kernel_write(file, buffer, str - buffer, 0);
@@ -1095,7 +1095,7 @@ static ssize_t bin_ulongvec(struct file
if (get_user(value, vec + i))
goto out_kfree;
- str += snprintf(str, end - str, "%lu\t", value);
+ str += scnprintf(str, end - str, "%lu\t", value);
}
result = kernel_write(file, buffer, str - buffer, 0);
@@ -1205,7 +1205,7 @@ static ssize_t bin_dn_node_address(struc
if (get_user(dnaddr, (__le16 __user *)newval))
goto out;
- len = snprintf(buf, sizeof(buf), "%hu.%hu",
+ len = scnprintf(buf, sizeof(buf), "%hu.%hu",
le16_to_cpu(dnaddr) >> 10,
le16_to_cpu(dnaddr) & 0x3ff);
_
Patches currently in -mm which might be from gang.chen@xxxxxxxxxxx are
origin.patch
sh64-kernel-use-usp-instead-of-fn.patch
sh64-kernel-remove-useless-variable-regs.patch
mm-readaheadc-return-the-value-which-force_page_cache_readahead-returns.patch
mm-mempolicy-make-mpol_to_str-robust-and-always-succeed.patch
kernel-delayacctc-remove-redundant-checking-in-__delayacct_add_tsk.patch
kernel-kexecc-use-vscnprintf-instead-of-vsnprintf-in-vmcoreinfo_append_str.patch
kernel-sysctlc-check-return-value-after-call-proc_put_char-in-__do_proc_doulongvec_minmax.patch
kernel-sysctl_binaryc-use-scnprintf-instead-of-snprintf.patch
kernel-taskstatsc-add-nla_nest_cancel-for-failure-processing-between-nla_nest_start-and-nla_nest_end.patch
kernel-taskstatsc-return-enomem-when-alloc-memory-fails-in-add_del_listener.patch
kernel-panicc-reduce-1-byte-usage-for-print-tainted-buffer.patch
linux-next.patch
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