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rtpengine: add patch fixing compilation warning for kernel module

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Add patch fixing compilation warning for kernel module.
Always dynamically allocate buffer for proc_control_read_write.
Fix compilation warning:
/builder/shared-workdir/build/build_dir/target-arm_cortex-a8+vfpv3_musl_eabi/rtpengine-no-transcode/rtpengine-mr10.5.2.6/kernel-module/xt_RTPENGINE.c: In function 'proc_control_read_write':
/builder/shared-workdir/build/build_dir/target-arm_cortex-a8+vfpv3_musl_eabi/rtpengine-no-transcode/rtpengine-mr10.5.2.6/kernel-module/xt_RTPENGINE.c:3573:1: error: the frame size of 1272 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
 3573 | }
      | ^

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi 2023-05-12 19:41:14 +02:00
parent 39ca113f84
commit f265a93991
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GPG key ID: AC001D09ADBFEAD7
1 changed files with 36 additions and 0 deletions
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36
net/rtpengine/patches/07-always-dynamically-allocate-buffer-for-kernel-mod.patch Normal file
View file

@ -0,0 +1,36 @@
--- a/kernel-module/xt_RTPENGINE.c
+++ b/kernel-module/xt_RTPENGINE.c
@@ -3455,14 +3455,11 @@ static inline ssize_t proc_control_read_
struct inode *inode;
uint32_t id;
struct rtpengine_table *t;
- struct rtpengine_message msgbuf;
struct rtpengine_message *msg;
int err;
if (buflen < sizeof(*msg))
return -EIO;
- if (buflen == sizeof(*msg))
- msg = &msgbuf;
else { /* > */
msg = kmalloc(buflen, GFP_KERNEL);
if (!msg)
@@ -3559,16 +3556,14 @@ static inline ssize_t proc_control_read_
goto out;
}
- if (msg != &msgbuf)
- kfree(msg);
+ kfree(msg);
return buflen;
err:
table_put(t);
out:
- if (msg != &msgbuf)
- kfree(msg);
+ kfree(msg);
return err;
}
static ssize_t proc_control_write(struct file *file, const char __user *ubuf, size_t buflen, loff_t *off) {