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generic: fix wrong PTR_ERR use in of net mac address ascii patch

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nvmem_cell_read return a pointer error when an error occurs. Currently
we convert the pointer error to an int while the rest of the function
return a void* and expcet an error pointer. Fix this PTR_ERR msuse
fixing compilation warning.

Fixes the following compilation warning:
net/ethernet/eth.c: In function 'nvmem_cell_get_mac_address':
net/ethernet/eth.c:547:24: warning: returning 'long int' from a function with return type 'void *' makes pointer from integer without a cast [-Wint-conversion]
  547 |                 return PTR_ERR(mac);
      |                        ^~~~~~~~~~~~
net/ethernet/eth.c: In function 'nvmem_cell_get_mac_address_ascii':
net/ethernet/eth.c:564:24: warning: returning 'long int' from a function with return type 'void *' makes pointer from integer without a cast [-Wint-conversion]
  564 |                 return PTR_ERR(mac_ascii);
      |                        ^~~~~~~~~~~~~~~~~~

Fixes: 7b863af180da ("kernel: move mac-address-ascii patches to generic")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi 2022-12-13 00:15:28 +01:00
parent 772434e707
commit c3c9ef598c
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2 changed files with 4 additions and 4 deletions
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4
target/linux/generic/hack-5.10/601-of_net-add-mac-address-ascii-support.patch
View File

@ -22,7 +22,7 @@ Submitted-by: Yousong Zhou <yszhou4tech@gmail.com>
+
+ mac = nvmem_cell_read(cell, &len);
+ if (IS_ERR(mac))
+ return PTR_ERR(mac);
+ return mac;
+ if (len != ETH_ALEN) {
+ kfree(mac);
+ return ERR_PTR(-EINVAL);
@ -39,7 +39,7 @@ Submitted-by: Yousong Zhou <yszhou4tech@gmail.com>
+
+ mac_ascii = nvmem_cell_read(cell, &len);
+ if (IS_ERR(mac_ascii))
+ return PTR_ERR(mac_ascii);
+ return mac_ascii;
+ if (len != ETH_ALEN*2+5) {
+ kfree(mac_ascii);
+ return ERR_PTR(-EINVAL);

4
target/linux/generic/hack-5.15/601-of_net-add-mac-address-ascii-support.patch
View File

@ -22,7 +22,7 @@ Submitted-by: Yousong Zhou <yszhou4tech@gmail.com>
+
+ mac = nvmem_cell_read(cell, &len);
+ if (IS_ERR(mac))
+ return PTR_ERR(mac);
+ return mac;
+ if (len != ETH_ALEN) {
+ kfree(mac);
+ return ERR_PTR(-EINVAL);
@ -39,7 +39,7 @@ Submitted-by: Yousong Zhou <yszhou4tech@gmail.com>
+
+ mac_ascii = nvmem_cell_read(cell, &len);
+ if (IS_ERR(mac_ascii))
+ return PTR_ERR(mac_ascii);
+ return mac_ascii;
+ if (len != ETH_ALEN*2+5) {
+ kfree(mac_ascii);
+ return ERR_PTR(-EINVAL);