OERV-BSP/kernel-eswin-eic7700
4
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

powerpc: fix memory leaks in QE library

Browse Source 
Fix two memory leaks in the Freescale QE library: add a missing kfree() in
ucc_fast_init() and ucc_slow_init() if the ioremap() fails, and update
ucc_fast_free() and ucc_slow_free() to call iounmap() if necessary.

Based on a patch from Tony Breeds <tony@bakeyournoodle.com>.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Timur Tabi
2008-08-20 10:29:09 -05:00
committed by Kumar Gala
parent d27a736c7a
commit 61a4e9e91d
2 changed files with 9 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/powerpc/sysdev/qe_lib/ucc_slow.c
View File

@@ -171,6 +171,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
uccs->us_regs = ioremap(us_info->regs, sizeof(struct ucc_slow));
if (uccs->us_regs == NULL) {
printk(KERN_ERR "%s: Cannot map UCC registers\n", __func__);
kfree(uccs);
return -ENOMEM;
}
@@ -367,10 +368,11 @@ void ucc_slow_free(struct ucc_slow_private * uccs)
if (uccs->tx_base_offset)
qe_muram_free(uccs->tx_base_offset);
if (uccs->us_pram) {
if (uccs->us_pram)
qe_muram_free(uccs->us_pram_offset);
uccs->us_pram = NULL;
}
if (uccs->us_regs)
iounmap(uccs->us_regs);
kfree(uccs);
}