AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

A fix to properly clear ghes_edac driver state on driver remove so that

Browse Source 
a subsequent load can probe the system properly; by Shiju Jose.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAl9LTFoACgkQEsHwGGHe
 VUpAxQ//YXxtNRrGxTQa6TGcHE0wRif/EkA20O54zWGPt+kolW9mXmsUFweDi0PH
 U6EW1To9H7vukfynCxc+TFGNG8oh3B6XXhaMILsNi691m418Z52a+wOHGaf/qLpX
 fqJe3WIIvo97cFtJJJvdHW90NaswtIo0TUspYqUiyThjwI3a9XXmY6Vh7odtVQaP
 M/tYt90By60KAR57zROifo6binSOO45zCOJiEO6Qm8X9UphXhShv6oL4TQvlEEwf
 ydWSz5NZwPnnVPk4MATMIQoptrixNaDXAfmh2kLBuNNmeNLCHKGous9C7ErI+Pqo
 ZH5oECXGOvJELRL3CJ/6fgb9lKaUg9z0IILsRhmoSqj6AYNcDAreWyi4wjJTaRTs
 rGNzYGHgB1tlWIpFxHBoxl3u/0EaRatkfvHYnY/i9LlmbIcNQgS+vBxV8LNyCRnk
 uxzJDIc8adPx+4RwmzQrnjwN6A52d50JfhVXakQykTWxTaKFg2qkEDUgpEJ4bMCr
 i77H1ytr+nGuR4BL9mferTfZqSWZULiQkeDV+skKAx8sSryOrKloucDXJYUzWFDU
 6MfKi4iqfNH+w0LQxDE4cRGfOID1tEz7WWI1ROflI17sD2zW+/WkgYoHj7nD2Vwy
 xm5DD91Jst4rdDd53PqJhiB3sz/V9VGlDL7o+BsYzYagFP9pyfc=
 =WMYq
 -----END PGP SIGNATURE-----

Merge tag 'edac_urgent_for_v5.9_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras

Pull EDAC fix from Borislav Petkov:
 "A fix to properly clear ghes_edac driver state on driver remove so
  that a subsequent load can probe the system properly (Shiju Jose)"

* tag 'edac_urgent_for_v5.9_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  EDAC/ghes: Fix NULL pointer dereference in ghes_edac_register()
This commit is contained in:
Linus Torvalds 2020-08-30 10:47:23 -07:00
commit 42df60fcdf
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/edac/ghes_edac.c
View File

@ -55,6 +55,8 @@ static DEFINE_SPINLOCK(ghes_lock);
static bool __read_mostly force_load;
module_param(force_load, bool, 0);
static bool system_scanned;
/* Memory Device - Type 17 of SMBIOS spec */
struct memdev_dmi_entry {
u8 type;
@ -225,14 +227,12 @@ static void enumerate_dimms(const struct dmi_header *dh, void *arg)
static void ghes_scan_system(void)
{
static bool scanned;
if (scanned)
if (system_scanned)
return;
dmi_walk(enumerate_dimms, &ghes_hw);
scanned = true;
system_scanned = true;
}
void ghes_edac_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
@ -631,6 +631,8 @@ void ghes_edac_unregister(struct ghes *ghes)
mutex_lock(&ghes_reg_mutex);
system_scanned = false;
if (!refcount_dec_and_test(&ghes_refcount))
goto unlock;