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0b89bb2975
Add patch fixing compilation warning related to stack limit.
Fix compilation warning:
/builder/shared-workdir/build/build_dir/target-mips_24kc_musl/linux-lantiq_xrx200/ltq-vectoring-2019-05-20-4fa7ac30/src/vectoring/ifxmips_vectoring.c: In function 'proc_write_dbg':
/builder/shared-workdir/build/build_dir/target-mips_24kc_musl/linux-lantiq_xrx200/ltq-vectoring-2019-05-20-4fa7ac30/src/vectoring/ifxmips_vectoring.c:369:1: error: the frame size of 2088 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
369 | }
| ^
cc1: all warnings being treated as errors
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
70 lines
1.8 KiB
Diff
70 lines
1.8 KiB
Diff
--- a/src/vectoring/ifxmips_vectoring.c
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+++ b/src/vectoring/ifxmips_vectoring.c
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@@ -298,7 +298,7 @@ static int proc_write_dbg(struct file *file, const char __user *buf, size_t coun
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DBG_ENABLE_MASK_ALL
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};
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- char str[2048];
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+ char *str;
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char *p;
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int len, rlen;
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@@ -306,6 +306,10 @@ static int proc_write_dbg(struct file *file, const char __user *buf, size_t coun
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int f_enable = 0;
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int i;
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+ str = kcalloc(2048, sizeof(*str), GFP_KERNEL);
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+ if (!str)
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+ return -ENOMEM;
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+
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len = count < sizeof(str) ? count : sizeof(str) - 1;
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rlen = len - copy_from_user(str, buf, len);
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while ( rlen && str[rlen - 1] <= ' ' )
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@@ -365,6 +369,8 @@ static int proc_write_dbg(struct file *file, const char __user *buf, size_t coun
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}
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}
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+ kfree(str);
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+
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return count;
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}
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--- a/src/vectoring/ifxmips_vectoring_test.c
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+++ b/src/vectoring/ifxmips_vectoring_test.c
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@@ -3,6 +3,7 @@
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#include <linux/module.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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+#include <linux/slab.h>
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#include "ifxmips_vectoring_stub.h"
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@@ -46,13 +47,17 @@ static int proc_write_vectoring(struct file *file, const char __user *buf, size_
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{
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char *p;
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int len;
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- char local_buf[1024];
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+ char *local_buf;
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unsigned long pkt_len;
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int ret;
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unsigned long sys_flag;
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unsigned long start, end;
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+ local_buf = kcalloc(1024, sizeof(*local_buf), GFP_KERNEL);
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+ if (!local_buf)
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+ return -ENOMEM;
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+
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len = sizeof(local_buf) < count ? sizeof(local_buf) - 1 : count;
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len = len - copy_from_user(local_buf, buf, len);
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local_buf[len] = 0;
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@@ -81,6 +86,8 @@ static int proc_write_vectoring(struct file *file, const char __user *buf, size_
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else
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printk("echo send <size> > /proc/driver/vectoring_test\n");
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+ kfree(local_buf);
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+
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return count;
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}
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